diff --git a/EnvelopeGenerator.Common/EnvelopeGenerator.Common.vbproj b/EnvelopeGenerator.Common/EnvelopeGenerator.Common.vbproj
index 42763220..aa202c40 100644
--- a/EnvelopeGenerator.Common/EnvelopeGenerator.Common.vbproj
+++ b/EnvelopeGenerator.Common/EnvelopeGenerator.Common.vbproj
@@ -47,6 +47,9 @@
     <OptionInfer>On</OptionInfer>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="BouncyCastle.Cryptography, Version=2.0.0.0, Culture=neutral, PublicKeyToken=072edcf4a5328938, processorArchitecture=MSIL">
+      <HintPath>..\packages\BouncyCastle.Cryptography.2.5.0\lib\net461\BouncyCastle.Cryptography.dll</HintPath>
+    </Reference>
     <Reference Include="DevExpress.Charts.v21.2.Core, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL" />
     <Reference Include="DevExpress.Data.Desktop.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL" />
     <Reference Include="DevExpress.Data.v21.2, Version=21.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a, processorArchitecture=MSIL" />
@@ -78,8 +81,14 @@
     <Reference Include="DigitalData.Modules.Logging">
       <HintPath>..\..\2_DLL Projekte\DDModules\Logging\bin\Debug\DigitalData.Modules.Logging.dll</HintPath>
     </Reference>
-    <Reference Include="GdPicture.NET.14, Version=14.2.90.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
-      <HintPath>..\packages\GdPicture.14.2.90\lib\net462\GdPicture.NET.14.dll</HintPath>
+    <Reference Include="DocumentFormat.OpenXml, Version=3.2.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.3.2.0\lib\net46\DocumentFormat.OpenXml.dll</HintPath>
+    </Reference>
+    <Reference Include="DocumentFormat.OpenXml.Framework, Version=3.2.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.Framework.3.2.0\lib\net46\DocumentFormat.OpenXml.Framework.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.8.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Extensions.Logging.Abstractions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
@@ -88,21 +97,78 @@
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="Newtonsoft.Json.Bson, Version=1.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\packages\Newtonsoft.Json.Bson.1.0.2\lib\net45\Newtonsoft.Json.Bson.dll</HintPath>
+    </Reference>
     <Reference Include="NLog, Version=5.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.5.0.5\lib\net46\NLog.dll</HintPath>
     </Reference>
+    <Reference Include="OpenMcdf, Version=2.4.1.0, Culture=neutral, PublicKeyToken=fdbb1629d7c00800, processorArchitecture=MSIL">
+      <HintPath>..\packages\OpenMcdf.2.4.1\lib\net40\OpenMcdf.dll</HintPath>
+    </Reference>
+    <Reference Include="protobuf-net, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
+      <HintPath>..\packages\protobuf-net.3.2.46\lib\net462\protobuf-net.dll</HintPath>
+    </Reference>
+    <Reference Include="protobuf-net.Core, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
+      <HintPath>..\packages\protobuf-net.Core.3.2.46\lib\net462\protobuf-net.Core.dll</HintPath>
+    </Reference>
     <Reference Include="Quartz, Version=3.8.0.0, Culture=neutral, PublicKeyToken=f6b8c98a402cc8a4, processorArchitecture=MSIL">
       <HintPath>..\packages\Quartz.3.8.0\lib\net462\Quartz.dll</HintPath>
     </Reference>
+    <Reference Include="RtfPipe, Version=2.0.7677.4303, Culture=neutral, PublicKeyToken=5f6ab4ce530296d2, processorArchitecture=MSIL">
+      <HintPath>..\packages\RtfPipe.2.0.7677.4303\lib\net45\RtfPipe.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.4.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Buffers.4.6.0\lib\net462\System.Buffers.dll</HintPath>
+    </Reference>
+    <Reference Include="System.CodeDom, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.CodeDom.8.0.0\lib\net462\System.CodeDom.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Collections.Immutable, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Collections.Immutable.8.0.0\lib\net462\System.Collections.Immutable.dll</HintPath>
+    </Reference>
     <Reference Include="System.Configuration" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.IO.Compression" />
+    <Reference Include="System.IO.Packaging, Version=8.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.IO.Packaging.8.0.1\lib\net462\System.IO.Packaging.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Management" />
+    <Reference Include="System.Memory, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Memory.4.6.0\lib\net462\System.Memory.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Net.Http.Formatting, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.6.0.0\lib\net45\System.Net.Http.Formatting.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.Numerics.Vectors, Version=4.1.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Numerics.Vectors.4.6.0\lib\net462\System.Numerics.Vectors.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.1.0\lib\net462\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
     <Reference Include="System.Runtime.Remoting" />
     <Reference Include="System.Runtime.Serialization" />
+    <Reference Include="System.Security" />
+    <Reference Include="System.Security.Cryptography.Pkcs, Version=8.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Security.Cryptography.Pkcs.8.0.1\lib\net462\System.Security.Cryptography.Pkcs.dll</HintPath>
+    </Reference>
     <Reference Include="System.ServiceModel" />
+    <Reference Include="System.Text.Encodings.Web, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Encodings.Web.8.0.0\lib\net462\System.Text.Encodings.Web.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Text.Json, Version=8.0.0.5, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Json.8.0.5\lib\net462\System.Text.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
     <Reference Include="System.Transactions" />
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Web" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
@@ -110,6 +176,7 @@
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Net.Http" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Import Include="Microsoft.VisualBasic" />
@@ -292,11 +359,11 @@
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
-  <Import Project="..\packages\GdPicture.runtimes.windows.14.2.90\build\net462\GdPicture.runtimes.windows.targets" Condition="Exists('..\packages\GdPicture.runtimes.windows.14.2.90\build\net462\GdPicture.runtimes.windows.targets')" />
+  <Import Project="..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets" Condition="Exists('..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
-      <ErrorText>Dieses Projekt verweist auf mindestens ein NuGet-Paket, das auf diesem Computer fehlt. Verwenden Sie die Wiederherstellung von NuGet-Paketen, um die fehlenden Dateien herunterzuladen. Weitere Informationen finden Sie unter "http://go.microsoft.com/fwlink/?LinkID=322105". Die fehlende Datei ist "{0}".</ErrorText>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\GdPicture.runtimes.windows.14.2.90\build\net462\GdPicture.runtimes.windows.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\GdPicture.runtimes.windows.14.2.90\build\net462\GdPicture.runtimes.windows.targets'))" />
+    <Error Condition="!Exists('..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/EnvelopeGenerator.Common/app.config b/EnvelopeGenerator.Common/app.config
index dbc1d6f0..1c6e34ef 100644
--- a/EnvelopeGenerator.Common/app.config
+++ b/EnvelopeGenerator.Common/app.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
 
     <configSections>
@@ -8,7 +8,7 @@
             <!-- Dieser Abschnitt definiert die Protokollierungskonfiguration für My.Application.Log -->
             <source name="DefaultSource" switchName="DefaultSwitch">
                 <listeners>
-                    <add name="FileLog"/>
+                    <add name="FileLog" />
                     <!-- Auskommentierung des nachfolgenden Abschnitts aufheben, um in das Anwendungsereignisprotokoll zu schreiben -->
                     <!--<add name="EventLog"/>-->
                 </listeners>
@@ -18,12 +18,97 @@
             <add name="DefaultSwitch" value="Information" />
         </switches>
         <sharedListeners>
-            <add name="FileLog"
-                 type="Microsoft.VisualBasic.Logging.FileLogTraceListener, Microsoft.VisualBasic, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL"
-                 initializeData="FileLogWriter"/>
+            <add name="FileLog" type="Microsoft.VisualBasic.Logging.FileLogTraceListener, Microsoft.VisualBasic, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" initializeData="FileLogWriter" />
             <!-- Auskommentierung des nachfolgenden Abschnitts aufheben und APPLICATION_NAME durch den Namen der Anwendung ersetzen, um in das Anwendungsereignisprotokoll zu schreiben -->
             <!--<add name="EventLog" type="System.Diagnostics.EventLogTraceListener" initializeData="APPLICATION_NAME"/> -->
         </sharedListeners>
     </system.diagnostics>
 
+  <runtime>
+
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-13.0.0.0" newVersion="13.0.0.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-6.0.1.0" newVersion="6.0.1.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-4.0.4.0" newVersion="4.0.4.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="8.0.0.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Numerics.Vectors" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-4.1.5.0" newVersion="4.1.5.0" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Security.Cryptography.Pkcs" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.IO.Packaging" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+
+      </dependentAssembly>
+
+      <dependentAssembly>
+
+        <assemblyIdentity name="System.Text.Json" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.5" newVersion="8.0.0.5" />
+
+      </dependentAssembly>
+
+    </assemblyBinding>
+
+  </runtime>
 </configuration>
diff --git a/EnvelopeGenerator.Common/packages.config b/EnvelopeGenerator.Common/packages.config
index 2f5d4edf..5e593f76 100644
--- a/EnvelopeGenerator.Common/packages.config
+++ b/EnvelopeGenerator.Common/packages.config
@@ -1,8 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="GdPicture" version="14.2.90" targetFramework="net462" />
-  <package id="GdPicture.runtimes.windows" version="14.2.90" targetFramework="net462" />
+  <package id="BouncyCastle.Cryptography" version="2.5.0" targetFramework="net462" />
+  <package id="DocumentFormat.OpenXml" version="3.2.0" targetFramework="net462" />
+  <package id="DocumentFormat.OpenXml.Framework" version="3.2.0" targetFramework="net462" />
+  <package id="GdPicture" version="14.3.3" targetFramework="net462" />
+  <package id="GdPicture.runtimes.windows" version="14.3.3" targetFramework="net462" />
+  <package id="Microsoft.AspNet.WebApi.Client" version="6.0.0" targetFramework="net462" />
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net462" />
+  <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net462" />
   <package id="Microsoft.Extensions.Logging.Abstractions" version="2.1.1" targetFramework="net462" />
+  <package id="Microsoft.VisualBasic" version="10.3.0" targetFramework="net462" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net462" />
+  <package id="Newtonsoft.Json.Bson" version="1.0.2" targetFramework="net462" />
+  <package id="OpenMcdf" version="2.4.1" targetFramework="net462" />
+  <package id="protobuf-net" version="3.2.46" targetFramework="net462" />
+  <package id="protobuf-net.Core" version="3.2.46" targetFramework="net462" />
   <package id="Quartz" version="3.8.0" targetFramework="net462" />
+  <package id="RtfPipe" version="2.0.7677.4303" targetFramework="net462" />
+  <package id="System.Buffers" version="4.6.0" targetFramework="net462" />
+  <package id="System.CodeDom" version="8.0.0" targetFramework="net462" />
+  <package id="System.Collections.Immutable" version="8.0.0" targetFramework="net462" />
+  <package id="System.IO.Packaging" version="8.0.1" targetFramework="net462" />
+  <package id="System.Management" version="8.0.0" targetFramework="net462" />
+  <package id="System.Memory" version="4.6.0" targetFramework="net462" />
+  <package id="System.Numerics.Vectors" version="4.6.0" targetFramework="net462" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.0" targetFramework="net462" />
+  <package id="System.Security.Cryptography.Pkcs" version="8.0.1" targetFramework="net462" />
+  <package id="System.Text.Encodings.Web" version="8.0.0" targetFramework="net462" />
+  <package id="System.Text.Json" version="8.0.5" targetFramework="net462" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net462" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/EnvelopeGenerator.Service/App.config b/EnvelopeGenerator.Service/App.config
index e773d4eb..583b3c1a 100644
--- a/EnvelopeGenerator.Service/App.config
+++ b/EnvelopeGenerator.Service/App.config
@@ -1,15 +1,55 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <configSections>
     </configSections>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
     </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="FirebirdSql.Data.FirebirdClient" publicKeyToken="3750abcc3150b00c" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-7.5.0.0" newVersion="7.5.0.0"/>
+        <assemblyIdentity name="FirebirdSql.Data.FirebirdClient" publicKeyToken="3750abcc3150b00c" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-7.5.0.0" newVersion="7.5.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-13.0.0.0" newVersion="13.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.1.0" newVersion="6.0.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.4.0" newVersion="4.0.4.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="8.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Numerics.Vectors" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.5.0" newVersion="4.1.5.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Security.Cryptography.Pkcs" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.Packaging" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Text.Json" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.5" newVersion="8.0.0.5" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
diff --git a/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj b/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
index 59e955a6..c0704d53 100644
--- a/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
+++ b/EnvelopeGenerator.Service/EnvelopeGenerator.Service.vbproj
@@ -51,19 +51,19 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="DigitalData.Modules.Base">
-      <HintPath>..\..\2_DLL Projekte\DDModules\Base\bin\Debug\DigitalData.Modules.Base.dll</HintPath>
+      <HintPath>..\..\DDModules\Base\bin\Debug\DigitalData.Modules.Base.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.Modules.Config">
-      <HintPath>..\..\2_DLL Projekte\DDModules\Config\bin\Debug\DigitalData.Modules.Config.dll</HintPath>
+      <HintPath>..\..\DDModules\Config\bin\Debug\DigitalData.Modules.Config.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.Modules.Database">
-      <HintPath>..\..\2_DLL Projekte\DDModules\Database\bin\Debug\DigitalData.Modules.Database.dll</HintPath>
+      <HintPath>..\..\DDModules\Database\bin\Debug\DigitalData.Modules.Database.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.Modules.Encryption">
       <HintPath>..\..\2_DLL Projekte\DDModules\Encryption\bin\Debug\DigitalData.Modules.Encryption.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.Modules.Logging">
-      <HintPath>..\..\2_DLL Projekte\DDModules\Logging\bin\Debug\DigitalData.Modules.Logging.dll</HintPath>
+      <HintPath>..\..\DDModules\Logging\bin\Debug\DigitalData.Modules.Logging.dll</HintPath>
     </Reference>
     <Reference Include="DigitalData.Modules.Messaging">
       <HintPath>..\..\2_DLL Projekte\DDModules\Messaging\bin\Debug\DigitalData.Modules.Messaging.dll</HintPath>
diff --git a/EnvelopeGenerator.Service/Service.vb b/EnvelopeGenerator.Service/Service.vb
index 4989049c..c5424899 100644
--- a/EnvelopeGenerator.Service/Service.vb
+++ b/EnvelopeGenerator.Service/Service.vb
@@ -1,12 +1,7 @@
-Imports System.Timers
-Imports System.IO
-Imports System.ComponentModel
-Imports DigitalData.Modules.Base
+Imports System.IO
 Imports DigitalData.Modules.Logging
 Imports DigitalData.Modules.Database
-Imports DigitalData.Modules.Messaging
 Imports DigitalData.Modules.Config
-Imports GdPicture.Internal.WPF
 
 Public Class Service
     Private Logger As Logger
diff --git a/EnvelopeGenerator.Test/EnvelopeGenerator.Test.vbproj b/EnvelopeGenerator.Test/EnvelopeGenerator.Test.vbproj
index 9ab90b75..28c5fbfe 100644
--- a/EnvelopeGenerator.Test/EnvelopeGenerator.Test.vbproj
+++ b/EnvelopeGenerator.Test/EnvelopeGenerator.Test.vbproj
@@ -15,6 +15,8 @@
     <OptionCompare>Binary</OptionCompare>
     <OptionStrict>Off</OptionStrict>
     <OptionInfer>On</OptionInfer>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -42,6 +44,9 @@
     <StartupObject>EnvelopeGenerator.My.MyApplication</StartupObject>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="BouncyCastle.Cryptography, Version=2.0.0.0, Culture=neutral, PublicKeyToken=072edcf4a5328938, processorArchitecture=MSIL">
+      <HintPath>..\packages\BouncyCastle.Cryptography.2.5.0\lib\net461\BouncyCastle.Cryptography.dll</HintPath>
+    </Reference>
     <Reference Include="DevExpress.BonusSkins.v21.2" />
     <Reference Include="DevExpress.Data.v21.2" />
     <Reference Include="DevExpress.Data.Desktop.v21.2" />
@@ -76,24 +81,151 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\DDModules\Logging\bin\Debug\DigitalData.Modules.Logging.dll</HintPath>
     </Reference>
+    <Reference Include="DocumentFormat.OpenXml, Version=3.2.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.3.2.0\lib\net46\DocumentFormat.OpenXml.dll</HintPath>
+    </Reference>
+    <Reference Include="DocumentFormat.OpenXml.Framework, Version=3.2.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.Framework.3.2.0\lib\net46\DocumentFormat.OpenXml.Framework.dll</HintPath>
+    </Reference>
     <Reference Include="EnvelopeGenerator.Common">
       <HintPath>..\EnvelopeGenerator.Common\bin\Debug\EnvelopeGenerator.Common.dll</HintPath>
     </Reference>
-    <Reference Include="GdPicture.NET.14, Version=14.1.0.152, Culture=neutral, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>D:\ProgramFiles\GdPicture.NET 14\Redist\GdPicture.NET (.NET Framework 4.5)\GdPicture.NET.14.dll</HintPath>
+    <Reference Include="GdPicture.NET.14, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.barcode.1d.writer, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.barcode.1d.writer.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.barcode.2d.writer, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.barcode.2d.writer.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.CAD, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.CAD.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.CAD.DWG, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.CAD.DWG.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Common, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Common.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Document, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Document.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Email, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Email.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.HTML, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.HTML.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Imaging, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Imaging.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Imaging.Formats, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Imaging.Formats.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Imaging.Formats.Conversion, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Imaging.Formats.Conversion.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.Imaging.Rendering, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.Imaging.Rendering.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.MSOfficeBinary, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.MSOfficeBinary.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.OpenDocument, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.OpenDocument.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.OpenXML, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.OpenXML.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.OpenXML.Templating, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.OpenXML.Templating.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.PDF, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.PDF.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.RTF, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.RTF.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.SVG, Version=14.3.3.0, Culture=neutral, PublicKeyToken=f52a2e60ad468dbb, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.SVG.dll</HintPath>
+    </Reference>
+    <Reference Include="GdPicture.NET.14.wia.gateway, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6973b5c22dcf45f7, processorArchitecture=MSIL">
+      <HintPath>..\packages\GdPicture.14.3.3\lib\net462\GdPicture.NET.14.wia.gateway.dll</HintPath>
+      <EmbedInteropTypes>True</EmbedInteropTypes>
+    </Reference>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.8.0.0\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="Newtonsoft.Json.Bson, Version=1.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\packages\Newtonsoft.Json.Bson.1.0.2\lib\net45\Newtonsoft.Json.Bson.dll</HintPath>
+    </Reference>
     <Reference Include="NLog, Version=5.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.5.0.5\lib\net46\NLog.dll</HintPath>
     </Reference>
+    <Reference Include="OpenMcdf, Version=2.4.1.0, Culture=neutral, PublicKeyToken=fdbb1629d7c00800, processorArchitecture=MSIL">
+      <HintPath>..\packages\OpenMcdf.2.4.1\lib\net40\OpenMcdf.dll</HintPath>
+    </Reference>
+    <Reference Include="protobuf-net, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
+      <HintPath>..\packages\protobuf-net.3.2.46\lib\net462\protobuf-net.dll</HintPath>
+    </Reference>
+    <Reference Include="protobuf-net.Core, Version=3.0.0.0, Culture=neutral, PublicKeyToken=257b51d87d2e4d67, processorArchitecture=MSIL">
+      <HintPath>..\packages\protobuf-net.Core.3.2.46\lib\net462\protobuf-net.Core.dll</HintPath>
+    </Reference>
+    <Reference Include="RtfPipe, Version=2.0.7677.4303, Culture=neutral, PublicKeyToken=5f6ab4ce530296d2, processorArchitecture=MSIL">
+      <HintPath>..\packages\RtfPipe.2.0.7677.4303\lib\net45\RtfPipe.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.4.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Buffers.4.6.0\lib\net462\System.Buffers.dll</HintPath>
+    </Reference>
+    <Reference Include="System.CodeDom, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.CodeDom.8.0.0\lib\net462\System.CodeDom.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Collections.Immutable, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Collections.Immutable.8.0.0\lib\net462\System.Collections.Immutable.dll</HintPath>
+    </Reference>
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.IO.Compression" />
+    <Reference Include="System.IO.Packaging, Version=8.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.IO.Packaging.8.0.1\lib\net462\System.IO.Packaging.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Management" />
+    <Reference Include="System.Memory, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Memory.4.6.0\lib\net462\System.Memory.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Net.Http.Formatting, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.6.0.0\lib\net45\System.Net.Http.Formatting.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.Numerics.Vectors, Version=4.1.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Numerics.Vectors.4.6.0\lib\net462\System.Numerics.Vectors.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.1.0\lib\net462\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Security" />
+    <Reference Include="System.Security.Cryptography.Pkcs, Version=8.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Security.Cryptography.Pkcs.8.0.1\lib\net462\System.Security.Cryptography.Pkcs.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Text.Encodings.Web, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Encodings.Web.8.0.0\lib\net462\System.Text.Encodings.Web.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Text.Json, Version=8.0.0.5, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Json.8.0.5\lib\net462\System.Text.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -102,6 +234,7 @@
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Import Include="Microsoft.VisualBasic" />
@@ -184,6 +317,13 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
+  <Import Project="..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets" Condition="Exists('..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\GdPicture.runtimes.windows.14.3.3\build\net462\GdPicture.runtimes.windows.targets'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/EnvelopeGenerator.Test/app.config b/EnvelopeGenerator.Test/app.config
index 5be4edda..c1e7f0d4 100644
--- a/EnvelopeGenerator.Test/app.config
+++ b/EnvelopeGenerator.Test/app.config
@@ -4,7 +4,7 @@
     <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System">
       <section name="DevExpress.LookAndFeel.Design.AppSettings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
     </sectionGroup>
-    <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+    <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
       <section name="EnvelopeGenerator.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
     </sectionGroup>
   </configSections>
@@ -51,4 +51,48 @@
       </setting>
     </EnvelopeGenerator.Settings>
   </userSettings>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="GdPicture.NET.14" publicKeyToken="f52a2e60ad468dbb" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-14.3.3.0" newVersion="14.3.3.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-13.0.0.0" newVersion="13.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.1.0" newVersion="6.0.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.4.0" newVersion="4.0.4.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.0" newVersion="8.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Numerics.Vectors" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.5.0" newVersion="4.1.5.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Security.Cryptography.Pkcs" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.Packaging" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.1" newVersion="8.0.0.1" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Text.Json" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-8.0.0.5" newVersion="8.0.0.5" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>
\ No newline at end of file
diff --git a/EnvelopeGenerator.Test/frmFinalizePDF.vb b/EnvelopeGenerator.Test/frmFinalizePDF.vb
index 06be55e9..300f6513 100644
--- a/EnvelopeGenerator.Test/frmFinalizePDF.vb
+++ b/EnvelopeGenerator.Test/frmFinalizePDF.vb
@@ -14,7 +14,7 @@ Public Class frmFinalizePDF
     Private Viewer As GdViewer
     Private Manager As AnnotationManager
     Private PDFBurner As FinalizeDocument.PDFBurner
-    Private pGDPictureLicenseKey As String = "21182889975216572111813147150675976632"
+    Private pGDPictureLicenseKey As String = "kG1Qf9PwmqgR8aDmIW2zI_ebj48RzqAJegRxcystEmkbTGQqfkNBdFOXIb6C_A00Ra8zZkrHdfjqzOPXK7kgkF2YDhvrqKfqh4WDug2vOt0qO31IommzkANSuLjZ4zmraoubyEVd25rE3veQ2h_j7tGIoH_LyIHmy24GaXsxdG0yCzIBMdiLbMMMDwcPY-809KeZ83Grv76OVhFvcbBWyYc251vou1N-kGg5_ZlHDgfWoY85gTLRxafjD3KS_i9ARW4BMiy36y8n7UP2jN8kGRnW_04ubpFtfjJqvtsrP_J9D0x7bqV8xtVtT5JI6dpKsVTiMgDCrIcoFSo5gCC1fw9oUopX4TDCkBQttO4-WHBlOeq9dG5Yb0otonVmJKaQA2tP6sMR-lZDs3ql_WI9t91yPWgpssrJUxSHDd27_LMTH_owJIqkF3NOJd9mYQuAv22oNKFYbH8e41pVKb8cT33Y9CgcQ_sy6YDA5PTuIRi67mjKge_nD9rd0IN213Ir9M_EFWqg9e4haWzIdHXQUo0md70kVhPX4UIH_BKJnxEEnFfoFRNMh77bB0N4jkcBEHPl-ghOERv8dOztf4vCnNpzzWvcLD2cqWIm6THy8XGGq9h4hp8aEreRleSMwv9QQAC7mjLwhQ1rBYkpUHlpTjhTLnMwHknl6HH0Z6zzmsgkRKVyfquv94Pd7QbQfZrRka0ss_48pf9p8hAywEn81Q=="
     Private ReadOnly _ignoredLabels As New List(Of String) From {"Date", "Datum", "ZIP", "PLZ", "Place", "Ort"}
 
     Private Sub frmFinalizePDF_Load(sender As Object, e As EventArgs) Handles MyBase.Load
diff --git a/EnvelopeGenerator.Test/packages.config b/EnvelopeGenerator.Test/packages.config
index 0ddda560..b377a54c 100644
--- a/EnvelopeGenerator.Test/packages.config
+++ b/EnvelopeGenerator.Test/packages.config
@@ -1,5 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="BouncyCastle.Cryptography" version="2.5.0" targetFramework="net462" />
+  <package id="DocumentFormat.OpenXml" version="3.2.0" targetFramework="net462" />
+  <package id="DocumentFormat.OpenXml.Framework" version="3.2.0" targetFramework="net462" />
+  <package id="GdPicture" version="14.3.3" targetFramework="net462" />
+  <package id="GdPicture.runtimes.windows" version="14.3.3" targetFramework="net462" />
+  <package id="Microsoft.AspNet.WebApi.Client" version="6.0.0" targetFramework="net462" />
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="8.0.0" targetFramework="net462" />
+  <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net462" />
+  <package id="Microsoft.VisualBasic" version="10.3.0" targetFramework="net462" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net462" />
+  <package id="Newtonsoft.Json.Bson" version="1.0.2" targetFramework="net462" />
   <package id="NLog" version="5.0.5" targetFramework="net462" />
+  <package id="OpenMcdf" version="2.4.1" targetFramework="net462" />
+  <package id="protobuf-net" version="3.2.46" targetFramework="net462" />
+  <package id="protobuf-net.Core" version="3.2.46" targetFramework="net462" />
+  <package id="RtfPipe" version="2.0.7677.4303" targetFramework="net462" />
+  <package id="System.Buffers" version="4.6.0" targetFramework="net462" />
+  <package id="System.CodeDom" version="8.0.0" targetFramework="net462" />
+  <package id="System.Collections.Immutable" version="8.0.0" targetFramework="net462" />
+  <package id="System.IO.Packaging" version="8.0.1" targetFramework="net462" />
+  <package id="System.Management" version="8.0.0" targetFramework="net462" />
+  <package id="System.Memory" version="4.6.0" targetFramework="net462" />
+  <package id="System.Numerics.Vectors" version="4.6.0" targetFramework="net462" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.0" targetFramework="net462" />
+  <package id="System.Security.Cryptography.Pkcs" version="8.0.1" targetFramework="net462" />
+  <package id="System.Text.Encodings.Web" version="8.0.0" targetFramework="net462" />
+  <package id="System.Text.Json" version="8.0.5" targetFramework="net462" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net462" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net462" />
 </packages>
\ No newline at end of file