diff --git a/Utils_Core.sln b/Utils-4.7.1.sln
similarity index 58%
rename from Utils_Core.sln
rename to Utils-4.7.1.sln
index ea29322..19c37bb 100644
--- a/Utils_Core.sln
+++ b/Utils-4.7.1.sln
@@ -1,25 +1,22 @@
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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Utils", "Utils\Utils-4.7.1.csproj", "{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}"
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+		{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}.Release|Any CPU.Build.0 = Release|Any CPU
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diff --git a/Utils.sln b/Utils.sln
index 5f890a0..2760467 100644
--- a/Utils.sln
+++ b/Utils.sln
@@ -1,22 +1,25 @@
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-Microsoft Visual Studio Solution File, Format Version 12.00
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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
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+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Utils", "Utils\Utils.csproj", "{A289C67C-BC49-46A0-8657-B444C605079E}"
+EndProject
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+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
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+		{A289C67C-BC49-46A0-8657-B444C605079E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A289C67C-BC49-46A0-8657-B444C605079E}.Release|Any CPU.Build.0 = Release|Any CPU
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+		SolutionGuid = {A7224DC4-69F1-4273-BE78-3D9DC80A28C5}
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diff --git a/Utils/Utils-4.7.1.csproj b/Utils/Utils-4.7.1.csproj
new file mode 100644
index 0000000..4b999ed
--- /dev/null
+++ b/Utils/Utils-4.7.1.csproj
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>BlubbFish.Utils</RootNamespace>
+    <AssemblyName>Utils</AssemblyName>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="CmdArgs.cs" />
+    <Compile Include="EventArgsHelper.cs" />
+    <Compile Include="FileLogger.cs" />
+    <Compile Include="FileMutex.cs" />
+    <Compile Include="Helper.cs" />
+    <Compile Include="InIReader.cs" />
+    <Compile Include="OwnController.cs" />
+    <Compile Include="OwnModel.cs" />
+    <Compile Include="OwnObject.cs" />
+    <Compile Include="OwnView.cs" />
+    <Compile Include="ProgramLogger.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Updater.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="..\CHANGELOG.md" />
+	<Content Include="..\CONTRIBUTING.md" />
+	<Content Include="..\LICENSE" />
+	<Content Include="..\README.md" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
diff --git a/Utils/Utils.csproj b/Utils/Utils.csproj
index 4b999ed..d9330fe 100644
--- a/Utils/Utils.csproj
+++ b/Utils/Utils.csproj
@@ -1,72 +1,36 @@
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-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{FAC8CE64-BF13-4ECE-8097-AEB5DD060098}</ProjectGuid>
-    <OutputType>Library</OutputType>
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-    <RootNamespace>BlubbFish.Utils</RootNamespace>
-    <AssemblyName>Utils</AssemblyName>
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-    <FileAlignment>512</FileAlignment>
-    <TargetFrameworkProfile />
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-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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-    <DefineConstants>DEBUG;TRACE</DefineConstants>
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-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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-    <Optimize>true</Optimize>
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-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
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-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
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-  <ItemGroup>
-    <Compile Include="CmdArgs.cs" />
-    <Compile Include="EventArgsHelper.cs" />
-    <Compile Include="FileLogger.cs" />
-    <Compile Include="FileMutex.cs" />
-    <Compile Include="Helper.cs" />
-    <Compile Include="InIReader.cs" />
-    <Compile Include="OwnController.cs" />
-    <Compile Include="OwnModel.cs" />
-    <Compile Include="OwnObject.cs" />
-    <Compile Include="OwnView.cs" />
-    <Compile Include="ProgramLogger.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Updater.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <Content Include="..\CHANGELOG.md" />
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-	<Content Include="..\LICENSE" />
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-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- 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">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <AssemblyName>Utils</AssemblyName>
+    <RootNamespace>BlubbFish.Utils</RootNamespace>
+    <Description>Provides useful classes for other projects</Description>
+    <Company>BlubbFish</Company>
+    <Authors>BlubbFish</Authors>
+    <PackageId>Utils.BlubbFish</PackageId>
+    <Copyright>Copyright © BlubbFish 2014 - 02.10.2018</Copyright>
+    <AssemblyVersion>1.4.0</AssemblyVersion>
+    <FileVersion>1.4.0</FileVersion>
+    <NeutralLanguage>de-DE</NeutralLanguage>
+    <PackageLicenseFile>LICENSE</PackageLicenseFile>
+    <PackageProjectUrl>http://git.blubbfish.net/vs_utils/Utils</PackageProjectUrl>
+    <RepositoryUrl>http://git.blubbfish.net/vs_utils/Utils.git</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <Version>1.4.0</Version>
+    <PackageReleaseNotes>1.4.0 Add Helper to Utils</PackageReleaseNotes>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="../CHANGELOG.md" />
+	<Content Include="../CONTRIBUTING.md" />
+	<Content Include="../LICENSE" />
+	<Content Include="../README.md" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\LICENSE">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+
+</Project>
diff --git a/Utils/Utils_Core.csproj b/Utils/Utils_Core.csproj
deleted file mode 100644
index b2c024b..0000000
--- a/Utils/Utils_Core.csproj
+++ /dev/null
@@ -1,36 +0,0 @@
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-
-  <PropertyGroup>
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-    <AssemblyName>Utils</AssemblyName>
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-    <Description>Provides useful classes for other projects</Description>
-    <Company>BlubbFish</Company>
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-    <Copyright>Copyright © BlubbFish 2014 - 02.10.2018</Copyright>
-    <AssemblyVersion>1.4.0</AssemblyVersion>
-    <FileVersion>1.4.0</FileVersion>
-    <NeutralLanguage>de-DE</NeutralLanguage>
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-    <RepositoryUrl>http://git.blubbfish.net/vs_utils/Utils.git</RepositoryUrl>
-    <RepositoryType>git</RepositoryType>
-    <Version>1.4.0</Version>
-    <PackageReleaseNotes>1.4.0 Add Helper to Utils</PackageReleaseNotes>
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-
-  <ItemGroup>
-    <Content Include="../CHANGELOG.md" />
-	<Content Include="../CONTRIBUTING.md" />
-	<Content Include="../LICENSE" />
-	<Content Include="../README.md" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="..\LICENSE">
-      <Pack>True</Pack>
-      <PackagePath></PackagePath>
-    </None>
-  </ItemGroup>
-
-</Project>