diff --git a/Directory.Build.props b/Directory.Build.props
index b7d7e59cf..0f3e2ddd1 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,22 +1,13 @@
 <Project>
   <PropertyGroup>
     <LangVersion>latest</LangVersion>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
 
-    <!-- SourceLink related properties https://github.com/dotnet/SourceLink#using-sourcelink -->
-    <!-- Optional: Publish the repository URL in the built .nupkg (in the NuSpec <Repository> element) -->
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
-     
-    <!-- Optional: Embed source files that are not tracked by the source control manager in the PDB -->
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
-    
-    <!-- Optional: Include the PDB in the built .nupkg -->
-    <!-- <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder> -->
-    
-    <!-- Optional: Build symbol package (.snupkg) to distribute the PDB containing Source Link -->
     <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-
-    <RunSettingsFilePath>$(MSBuildThisFileDirectory)\test.runsettings</RunSettingsFilePath>
+    <DebugType>portable</DebugType>
+    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
 
     <VersionPrefix>2.6.1</VersionPrefix>
     <Title>NPOI</Title>
@@ -34,6 +25,10 @@
     <PackageTags>xlsx xls Excel Word docx office ole</PackageTags>
   </PropertyGroup>
 
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+  </PropertyGroup>
+
   <ItemGroup>
     <None Include="..\LICENSE" Pack="true" Visible="false" PackagePath="" />
     <None Include="..\Read Me.txt" Pack="true" Visible="false" PackagePath="" />
@@ -46,6 +41,10 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="NuGetizer" Version="1.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/OpenXmlFormats/NPOI.OpenXmlFormats.Core.csproj b/OpenXmlFormats/NPOI.OpenXmlFormats.Core.csproj
index d70bf2c6b..9427acae1 100644
--- a/OpenXmlFormats/NPOI.OpenXmlFormats.Core.csproj
+++ b/OpenXmlFormats/NPOI.OpenXmlFormats.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.OpenXmlFormats</AssemblyName>
     <RootNamespace>NPOI.OpenXmlFormats</RootNamespace>
     <SignAssembly>true</SignAssembly>
@@ -10,10 +9,6 @@
     <OutputPath>..\solution\$(Configuration)\</OutputPath>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <GenerateDocumentationFile>false</GenerateDocumentationFile>
-  </PropertyGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\main\NPOI.Core.csproj" />
     <ProjectReference Include="..\openxml4Net\NPOI.OpenXml4Net.Core.csproj" />
diff --git a/build/Build.cs b/build/Build.cs
index 6addd8889..586c415d8 100644
--- a/build/Build.cs
+++ b/build/Build.cs
@@ -45,9 +45,18 @@ protected override void OnBuildInitialized()
         .Before(Restore)
         .Executes(() =>
         {
-            SourceDirectory.GlobDirectories("**/bin", "**/obj").ForEach(x => x.DeleteDirectory());
+            DeleteCompilationArtifacts();
+            ArtifactsDirectory.CreateOrCleanDirectory();
         });
 
+    static void DeleteCompilationArtifacts()
+    {
+        var solutionDirectory = RootDirectory / "solution";
+        solutionDirectory.GlobDirectories("**/bin", "**/obj").ForEach(x => x.DeleteDirectory());
+        (solutionDirectory / "Debug").DeleteDirectory();
+        (solutionDirectory / "Release").DeleteDirectory();
+    }
+
     Target Restore => _ => _
         .Executes(() =>
         {
@@ -68,9 +77,12 @@ protected override void OnBuildInitialized()
                 .SetVerbosity(DotNetVerbosity.Minimal)
                 // obsolete missing XML documentation comment, XML comment on not valid language element, XML comment has badly formed XML, no matching tag in XML comment
                 // need to use escaped separator in order for this to work
-                .AddProperty("NoWarn", string.Join("%3B", new [] { 618, 1591, 1587, 1570, 1572, 1573 }))
+                .AddProperty("NoWarn", string.Join("%3B", new [] { 169, 612, 618, 1591, 1587, 1570, 1572, 1573, 1574 }))
                 .SetProjectFile(Solution)
             );
+
+            // copy files from projects in order to get them to be part of pack
+
         });
 
     Target Test => _ => _
@@ -103,6 +115,11 @@ protected override void OnBuildInitialized()
         .Produces(ArtifactsDirectory / "**")
         .Executes(() =>
         {
+            // make sure we make fresh build
+            DeleteCompilationArtifacts();
+
+            var packTarget = Solution.GetProject("NPOI.Pack");
+
             DotNetPack(_ =>_
                 .SetConfiguration(Configuration)
                 .SetOutputDirectory(ArtifactsDirectory)
@@ -110,8 +127,9 @@ protected override void OnBuildInitialized()
                 .SetContinuousIntegrationBuild(IsServerBuild)
                 // obsolete missing XML documentation comment, XML comment on not valid language element, XML comment has badly formed XML, no matching tag in XML comment
                 // need to use escaped separator in order for this to work
-                .AddProperty("NoWarn", string.Join("%3B", new [] { 618, 1591, 1587, 1570, 1572, 1573 }))
-                .SetProject(Solution.GetProject("NPOI.Core"))
+                .AddProperty("NoWarn", string.Join("%3B", new [] { 169, 612, 618, 1591, 1587, 1570, 1572, 1573, 1574 }))
+                .SetProperty("EnablePackageValidation", "false")
+                .SetProject(packTarget)
             );
         });
 }
diff --git a/main/NPOI.Core.csproj b/main/NPOI.Core.csproj
index 26a0530cf..a7def2ca6 100644
--- a/main/NPOI.Core.csproj
+++ b/main/NPOI.Core.csproj
@@ -2,18 +2,12 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-    <AssemblyName>NPOI</AssemblyName>
     <RootNamespace>NPOI</RootNamespace>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\npoi.snk</AssemblyOriginatorKeyFile>
     <OutputPath>..\solution\$(Configuration)\</OutputPath>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-  </PropertyGroup>
-
   <ItemGroup>
     <EmbeddedResource Include="Resources\font_metrics.properties" />
     <EmbeddedResource Include="Resources\functionMetadata.txt" />
@@ -27,7 +21,14 @@
     <PackageReference Include="SharpZipLib" Version="1.3.3" />
     <PackageReference Include="SixLabors.Fonts" Version="1.0.0-beta19" />
     <PackageReference Include="SixLabors.ImageSharp" Version="2.1.4" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' != 'net472' ">
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />
   </ItemGroup>
 
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net472' ">
+    <Reference Include="System.Configuration" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/ooxml/NPOI.OOXML.Core.csproj b/ooxml/NPOI.OOXML.Core.csproj
index 21b2e5cdc..11bb7f393 100644
--- a/ooxml/NPOI.OOXML.Core.csproj
+++ b/ooxml/NPOI.OOXML.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.OOXML</AssemblyName>
     <RootNamespace>NPOI</RootNamespace>
     <SignAssembly>true</SignAssembly>
@@ -10,13 +9,6 @@
     <OutputPath>..\solution\$(Configuration)\</OutputPath>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-  </PropertyGroup>
-
   <ItemGroup>
     <Compile Remove="POIFS\Crypt\Dsig\KeyInfoKeySelector.cs" />
     <Compile Remove="POIFS\Crypt\Dsig\Services\RelationshipTransformService.cs" />
diff --git a/openxml4Net/NPOI.OpenXml4Net.Core.csproj b/openxml4Net/NPOI.OpenXml4Net.Core.csproj
index 1d9712c47..15fbb7c9c 100644
--- a/openxml4Net/NPOI.OpenXml4Net.Core.csproj
+++ b/openxml4Net/NPOI.OpenXml4Net.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.OpenXml4Net</AssemblyName>
     <RootNamespace>NPOI.OpenXml4Net</RootNamespace>
     <SignAssembly>true</SignAssembly>
@@ -10,10 +9,6 @@
     <OutputPath>..\solution\$(Configuration)\</OutputPath>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-  </PropertyGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\main\NPOI.Core.csproj" />
   </ItemGroup>
diff --git a/solution/NPOI.Core.Test.sln b/solution/NPOI.Core.Test.sln
index e0072e55c..f7659e966 100644
--- a/solution/NPOI.Core.Test.sln
+++ b/solution/NPOI.Core.Test.sln
@@ -26,6 +26,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "_build", "..\build\_build.c
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NPOI.Benchmarks", "..\benchmarks\NPOI.Benchmarks\NPOI.Benchmarks.csproj", "{3DA1149D-46F8-4181-9976-E002BF2BFB76}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NPOI.Pack", "NPOI.Pack.csproj", "{6D7A6E15-C914-4FCA-B8E4-FF5C7437C2E0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -60,14 +62,14 @@ Global
 		{DA2CA3BD-1CAC-470C-9FA2-611A5768A76A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DA2CA3BD-1CAC-470C-9FA2-611A5768A76A}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DA2CA3BD-1CAC-470C-9FA2-611A5768A76A}.Release|Any CPU.Build.0 = Release|Any CPU
-		{94B18BCF-84E8-401F-BAAB-0496AA136628}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{94B18BCF-84E8-401F-BAAB-0496AA136628}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{94B18BCF-84E8-401F-BAAB-0496AA136628}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{94B18BCF-84E8-401F-BAAB-0496AA136628}.Release|Any CPU.Build.0 = Release|Any CPU
 		{3DA1149D-46F8-4181-9976-E002BF2BFB76}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{3DA1149D-46F8-4181-9976-E002BF2BFB76}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3DA1149D-46F8-4181-9976-E002BF2BFB76}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3DA1149D-46F8-4181-9976-E002BF2BFB76}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6D7A6E15-C914-4FCA-B8E4-FF5C7437C2E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6D7A6E15-C914-4FCA-B8E4-FF5C7437C2E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6D7A6E15-C914-4FCA-B8E4-FF5C7437C2E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6D7A6E15-C914-4FCA-B8E4-FF5C7437C2E0}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/solution/NPOI.Pack.csproj b/solution/NPOI.Pack.csproj
new file mode 100644
index 000000000..a00d1a155
--- /dev/null
+++ b/solution/NPOI.Pack.csproj
@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <!-- This is an umbrella project that gathers dependencies for dotnet pack -->
+  
+  <PropertyGroup>
+    <TargetFrameworks>net472;netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+    <PackageId>NPOI</PackageId>
+    <OutputPath>..\solution\$(Configuration)\</OutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\main\NPOI.Core.csproj" />
+    <ProjectReference Include="..\ooxml\NPOI.OOXML.Core.csproj" />
+    <ProjectReference Include="..\openxml4Net\NPOI.OpenXml4Net.Core.csproj" />
+    <ProjectReference Include="..\OpenXmlFormats\NPOI.OpenXmlFormats.Core.csproj" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/testcases/Directory.Build.props b/testcases/Directory.Build.props
new file mode 100644
index 000000000..51c4db1f2
--- /dev/null
+++ b/testcases/Directory.Build.props
@@ -0,0 +1,9 @@
+<Project>
+
+  <PropertyGroup>
+    <GenerateDocumentationFile>false</GenerateDocumentationFile>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <RunSettingsFilePath>$(MSBuildProjectDirectory)\..\..\test.runsettings</RunSettingsFilePath>
+  </PropertyGroup>
+
+</Project>
\ No newline at end of file
diff --git a/testcases/main/NPOI.TestCases.Core.csproj b/testcases/main/NPOI.TestCases.Core.csproj
index c5ceedb3e..135e89749 100644
--- a/testcases/main/NPOI.TestCases.Core.csproj
+++ b/testcases/main/NPOI.TestCases.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.TestCases</AssemblyName>
     <RootNamespace>TestCases</RootNamespace>
     <SignAssembly>true</SignAssembly>
diff --git a/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj b/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj
index d96126de6..099b79aa4 100644
--- a/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj
+++ b/testcases/ooxml/NPOI.OOXML.TestCases.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.OOXML.TestCases</AssemblyName>
     <RootNamespace>TestCases</RootNamespace>
     <SignAssembly>true</SignAssembly>
diff --git a/testcases/openxml4net/NPOI.OOXML4Net.TestCases.Core.csproj b/testcases/openxml4net/NPOI.OOXML4Net.TestCases.Core.csproj
index 39cfca0ea..a3e350d92 100644
--- a/testcases/openxml4net/NPOI.OOXML4Net.TestCases.Core.csproj
+++ b/testcases/openxml4net/NPOI.OOXML4Net.TestCases.Core.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net472;net6.0</TargetFrameworks>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>NPOI.OOXML4Net.TestCases</AssemblyName>
     <RootNamespace>TestCases</RootNamespace>
     <SignAssembly>true</SignAssembly>