diff --git a/gpxsee.pro b/gpxsee.pro
index 9ce27354..8e606d5b 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -437,7 +437,8 @@ macx {
         icons/formats/kap.icns \
         icons/formats/mbts.icns \
         icons/formats/rmap.icns \
-        icons/formats/tba.icns
+        icons/formats/tba.icns \
+        icons/formats/aqm.icns
     QMAKE_BUNDLE_DATA += locale maps icons csv
 }
 
diff --git a/icons/formats/aqm.icns b/icons/formats/aqm.icns
new file mode 100644
index 00000000..54be9c35
Binary files /dev/null and b/icons/formats/aqm.icns differ
diff --git a/pkg/Info.plist b/pkg/Info.plist
index 0e6ad5a3..aa4d0342 100644
--- a/pkg/Info.plist
+++ b/pkg/Info.plist
@@ -462,6 +462,20 @@
 			<key>CFBundleTypeRole</key>
 			<string>Viewer</string>
 		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>aqm</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.alpinequest.aqm</string>
+			</array>
+			<key>CFBundleTypeName</key>
+			<string>AlpineQuest Map File</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
 	</array>
 
 	<key>UTImportedTypeDeclarations</key>
@@ -1016,6 +1030,27 @@
 				<string>application/vnd.trekbuddy.tba</string>
 			</dict>
 		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>net.alpinequest.aqm</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://svn.code.sf.net/p/mobac/code/trunk/MOBAC</string>
+			<key>UTTypeDescription</key>
+			<string>AlpineQuest Map File</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>aqm</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.alpinequest.aqm</string>
+			</dict>
+		</dict>
 		<dict>
 			<key>UTTypeIdentifier</key>
 			<string>public.tiff</string>