diff --git a/Mirivoice.Desktop/Mirivoice.Desktop.csproj b/Mirivoice.Desktop/Mirivoice.Desktop.csproj
index 98e6343..b019bca 100644
--- a/Mirivoice.Desktop/Mirivoice.Desktop.csproj
+++ b/Mirivoice.Desktop/Mirivoice.Desktop.csproj
@@ -17,17 +17,37 @@
 
   </PropertyGroup>  
   <PropertyGroup>
-    <CFBundleName>MiriVoice</CFBundleName> <!-- Also defines .app file name -->
+    <CFBundleName>MiriVoice</CFBundleName>
     <CFBundleDisplayName>MiriVoice</CFBundleDisplayName>
     <CFBundleIdentifier>com.ex3.mirivoice</CFBundleIdentifier>
-    <CFBundleVersion>1.0.0</CFBundleVersion>
-    <CFBundleShortVersionString>1.0.0</CFBundleShortVersionString>
-     <OutputType>WinExe</OutputType>
+    <CFBundleVersion>0.0.0</CFBundleVersion>
+    <CFBundleShortVersionString>0.0.0</CFBundleShortVersionString>
     <CFBundlePackageType>APPL</CFBundlePackageType>
+    <CFBundleSignature>????</CFBundleSignature>
     <CFBundleExecutable>MiriVoice</CFBundleExecutable>
-    <CFBundleIconFile>mirivoice.icns</CFBundleIconFile> <!-- Will be copied from output directory -->
+    <CFBundleIconFile>mirivoice.icns</CFBundleIconFile>
     <NSPrincipalClass>NSApplication</NSPrincipalClass>
     <NSHighResolutionCapable>true</NSHighResolutionCapable>
+    <CFBundleDocumentTypes>
+        <array>
+            <dict>
+                <key>CFBundleTypeName</key>
+                <string>MiriVoice Project File</string>
+                <key>CFBundleTypeExtensions</key>
+                <array>
+                    <string>mrp</string>
+                </array>
+                <key>CFBundleTypeIconFile</key>
+                <string>mirivoice.icns</string>
+                <key>CFBundleTypeRole</key>
+                <string>Editor</string>
+                <key>LSItemContentTypes</key>
+                <array>
+                    <string>com.ex3.mirivoice.mrp</string>
+                </array>
+            </dict>
+        </array>          
+  </CFBundleDocumentTypes>
   </PropertyGroup>
   <ItemGroup>
     <Content Include="mirivoice-logo.ico" />
@@ -36,7 +56,6 @@
   <ItemGroup>
     <PackageReference Include="Avalonia.Desktop" Version="11.1.3" />
     <PackageReference Include="Dotnet.Bundle" Version="0.9.13" />
-    <PackageReference Include="PortAudioSharp2" Version="1.0.4" />
     <PackageReference Include="Serilog" Version="4.0.1" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.Debug" Version="3.0.0" />