AppxManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" 
xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" 
xmlns:uap2="http://schemas.microsoft.com/appx/manifest/uap/windows10/2" 
xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3" 
xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" 
xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10"
IgnorableNamespaces="uap uap2 uap3 mp rescap desktop">
  <Identity Name="D5BA6BCD.OpenLiveWriter" ProcessorArchitecture="x86" Publisher="CN=59FB1262-434E-4693-9A1E-CD275B151706" Version="0.6.1.0" />
  <Properties>
    <DisplayName>Open Live Writer</DisplayName>
    <PublisherDisplayName>.NET Foundation</PublisherDisplayName>
    <Logo>Assets\Writer50x50.png</Logo>
  </Properties>
  <Resources>
    <Resource Language="en-us" />
  </Resources>
  <Dependencies>
    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.14393.0" MaxVersionTested="10.0.14393.0" />
  </Dependencies>
  <Capabilities>
    <rescap:Capability Name="runFullTrust" />
  </Capabilities>
  <Applications>
    <Application Id="OpenLiveWriter" Executable="VFS\Users\ContainerAdministrator\AppData\Local\OpenLiveWriter\app-0.6.1.0\OpenLiveWriter.exe" EntryPoint="Windows.FullTrustApplication">
      <uap:VisualElements DisplayName="Open Live Writer" Description="Open Live Writer" BackgroundColor="#a25da2" Square150x150Logo="Assets\Writer150x150.png" Square44x44Logo="Assets\Writer44x44.png">
        <uap:DefaultTile>
          <uap:ShowNameOnTiles>
            <uap:ShowOn Tile="square150x150Logo" />
          </uap:ShowNameOnTiles>
        </uap:DefaultTile>
      </uap:VisualElements>
      <Extensions>
		<uap3:Extension Category="windows.fileTypeAssociation">
			<uap3:FileTypeAssociation Name="openLiveWriter" Parameters="&quot;%1&quot;">
				<uap:SupportedFileTypes>
					<uap:FileType>.wpost</uap:FileType>					
				</uap:SupportedFileTypes>
				<uap2:SupportedVerbs>
					<uap3:Verb Id="Edit" Parameters="&quot;%1&quot;">Edit</uap3:Verb>
				</uap2:SupportedVerbs>
			</uap3:FileTypeAssociation>			
		</uap3:Extension>
	  </Extensions>
    </Application>
  </Applications>
</Package>