diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
index 2572ca14b..754f932c0 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
@@ -49,12 +49,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -102,7 +96,6 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk
deleted file mode 100644
index 97dff091c..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
index ba8c55339..4660cbc5a 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
@@ -48,12 +48,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="CsvHelper, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8c4959082be5c823, processorArchitecture=MSIL">
       <HintPath>..\..\packages\CsvHelper.2.16.3.0\lib\net45\CsvHelper.dll</HintPath>
@@ -90,7 +84,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk
deleted file mode 100644
index 9bc51b767..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
index 225efdcc1..d32b61b36 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
@@ -52,12 +52,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />
@@ -111,8 +105,5 @@
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </COMReference>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="key.snk" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk
deleted file mode 100644
index a8fdfed40..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
index d9933d9b3..9e2880cb8 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
@@ -50,12 +50,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -103,8 +97,5 @@
       <Generator>MSBuild:Compile</Generator>
     </Page>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="key.snk" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk
deleted file mode 100644
index da52f854d..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
index 3d9212c82..26c7abf33 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
@@ -51,12 +51,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ExifLib, Version=1.7.0.0, Culture=neutral, PublicKeyToken=30284005913968db, processorArchitecture=MSIL">
       <HintPath>..\..\packages\ExifLib.1.7.0.0\lib\net45\ExifLib.dll</HintPath>
@@ -100,7 +94,6 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk
deleted file mode 100644
index 5e2692a0d..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
index 623292484..706c42cfa 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
@@ -48,15 +48,9 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
-    <Reference Include="MsgReader, Version=2.0.11.0, Culture=neutral, PublicKeyToken=47f99f3a9a2648df, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\MSGReader.2.0.11\lib\MsgReader.dll</HintPath>
+    <Reference Include="MsgReader, Version=2.0.13.0, Culture=neutral, PublicKeyToken=47f99f3a9a2648df, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\MSGReader.2.0.13\lib\MsgReader.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -87,7 +81,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk
deleted file mode 100644
index c5faf41f6..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
index 3717ba969..1888e2f6b 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-
 <packages>
-  <package id="MSGReader" version="2.0.11" targetFramework="net462" />
+  <package id="MSGReader" version="2.0.13" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
index a0eeb9cee..ff508b6a9 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
@@ -49,12 +49,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -94,7 +88,6 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="Resources\md2html.html" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk
deleted file mode 100644
index 6b1045325..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
index 6254c2252..7e0f8e7a5 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
@@ -53,12 +53,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -109,8 +103,5 @@
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="key.snk" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk
deleted file mode 100644
index 1989832f4..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
index 304f6b882..996cb1d9c 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
@@ -49,12 +49,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ICSharpCode.AvalonEdit, Version=5.0.3.0, Culture=neutral, PublicKeyToken=9cc39be672370310, processorArchitecture=MSIL">
       <HintPath>..\..\packages\AvalonEdit.5.0.3\lib\Net40\ICSharpCode.AvalonEdit.dll</HintPath>
@@ -94,7 +88,6 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk
deleted file mode 100644
index 29b496048..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk and /dev/null differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
index 57a3026ee..9ea6e2ab3 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
@@ -52,12 +52,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="FontAwesome.WPF, Version=4.7.0.37774, Culture=neutral, PublicKeyToken=0758b07a11a4f466, processorArchitecture=MSIL">
       <HintPath>..\..\packages\FontAwesome.WPF.4.7.0.9\lib\net40\FontAwesome.WPF.dll</HintPath>
@@ -98,7 +92,6 @@
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk
deleted file mode 100644
index 2749a4fa4..000000000
Binary files a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk and /dev/null differ
diff --git a/QuickLook/QuickLook.csproj b/QuickLook/QuickLook.csproj
index 658032f6a..a60a60de1 100644
--- a/QuickLook/QuickLook.csproj
+++ b/QuickLook/QuickLook.csproj
@@ -76,12 +76,6 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="FontAwesome.WPF, Version=4.7.0.37774, Culture=neutral, PublicKeyToken=0758b07a11a4f466, processorArchitecture=MSIL">
       <HintPath>..\packages\FontAwesome.WPF.4.7.0.9\lib\net40\FontAwesome.WPF.dll</HintPath>
@@ -217,7 +211,6 @@
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
     <None Include="app.manifest" />
-    <None Include="key.snk" />
     <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
diff --git a/QuickLook/key.snk b/QuickLook/key.snk
deleted file mode 100644
index 5df9621ad..000000000
Binary files a/QuickLook/key.snk and /dev/null differ