diff --git a/crates/cord-gui/Info.plist b/crates/cord-gui/Info.plist
index 8b9e58c..ffad758 100644
--- a/crates/cord-gui/Info.plist
+++ b/crates/cord-gui/Info.plist
@@ -22,15 +22,12 @@
 	<string>AppIcon</string>
 	<key>NSHighResolutionCapable</key>
 	<true/>
+
 	<key>CFBundleDocumentTypes</key>
 	<array>
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>Cordial Source</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>crd</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Editor</string>
 			<key>LSHandlerRank</key>
@@ -43,10 +40,6 @@
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>Cord Archive</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>zcd</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Editor</string>
 			<key>LSHandlerRank</key>
@@ -59,10 +52,6 @@
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>CORDIC Binary</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>cord</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 			<key>LSHandlerRank</key>
@@ -74,39 +63,43 @@
 		</dict>
 		<dict>
 			<key>CFBundleTypeName</key>
-			<string>OpenSCAD Source</string>
-			<key>CFBundleTypeExtensions</key>
+			<string>TrigGraph Binary</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+			<key>LSHandlerRank</key>
+			<string>Owner</string>
+			<key>LSItemContentTypes</key>
 			<array>
-				<string>scad</string>
+				<string>org.else-if.cord.triggraph</string>
 			</array>
+		</dict>
+		<dict>
+			<key>CFBundleTypeName</key>
+			<string>OpenSCAD Source</string>
 			<key>CFBundleTypeRole</key>
 			<string>Editor</string>
 			<key>LSHandlerRank</key>
 			<string>Alternate</string>
+			<key>LSItemContentTypes</key>
+			<array>
+				<string>org.openscad.scad</string>
+			</array>
 		</dict>
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>STL Mesh</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>stl</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 			<key>LSHandlerRank</key>
 			<string>Alternate</string>
 			<key>LSItemContentTypes</key>
 			<array>
-				<string>public.standard-tessellation-language</string>
+				<string>public.standard-tesselation-language</string>
 			</array>
 		</dict>
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>OBJ Mesh</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>obj</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 			<key>LSHandlerRank</key>
@@ -119,16 +112,17 @@
 		<dict>
 			<key>CFBundleTypeName</key>
 			<string>3MF Model</string>
-			<key>CFBundleTypeExtensions</key>
-			<array>
-				<string>3mf</string>
-			</array>
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 			<key>LSHandlerRank</key>
 			<string>Alternate</string>
+			<key>LSItemContentTypes</key>
+			<array>
+				<string>org.3mf.threemf</string>
+			</array>
 		</dict>
 	</array>
+
 	<key>UTExportedTypeDeclarations</key>
 	<array>
 		<dict>
@@ -183,6 +177,96 @@
 				</array>
 			</dict>
 		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>org.else-if.cord.triggraph</string>
+			<key>UTTypeDescription</key>
+			<string>TrigGraph Binary</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>trig</string>
+				</array>
+			</dict>
+		</dict>
+	</array>
+
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>org.openscad.scad</string>
+			<key>UTTypeDescription</key>
+			<string>OpenSCAD Source File</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.plain-text</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>scad</string>
+				</array>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>public.standard-tesselation-language</string>
+			<key>UTTypeDescription</key>
+			<string>STL Mesh</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.3d-content</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>stl</string>
+				</array>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>public.geometry-definition-format</string>
+			<key>UTTypeDescription</key>
+			<string>Wavefront OBJ Mesh</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.3d-content</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>obj</string>
+				</array>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>org.3mf.threemf</string>
+			<key>UTTypeDescription</key>
+			<string>3MF Model</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.3d-content</string>
+				<string>public.archive</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>3mf</string>
+				</array>
+			</dict>
+		</dict>
 	</array>
 </dict>
 </plist>