diff --git a/src/install/Info.plist b/src/install/Info.plist
new file mode 100644
index 000000000..e10b04602
--- /dev/null
+++ b/src/install/Info.plist
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>obj</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>meshlab_obj.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>OBJ 3D file</string>
+			<key>CFBundleTypeOSTypes</key>
+			<array>
+				<string>OBJ  </string>
+			</array>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>LSIsAppleDefaultForType</key>
+			<string>Yes</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>stl</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>meshlab_obj.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>STL 3D file</string>
+			<key>CFBundleTypeOSTypes</key>
+			<array>
+				<string>STL  </string>
+			</array>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>LSIsAppleDefaultForType</key>
+			<string>Yes</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>ply</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>meshlab_obj.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>PLY 3D file</string>
+			<key>CFBundleTypeOSTypes</key>
+			<array>
+				<string>PLY  </string>
+			</array>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>LSIsAppleDefaultForType</key>
+			<string>Yes</string>
+		</dict>
+	</array>
+<key>CFBundleExecutable</key>
+	<string>meshlab</string>
+	<key>CFBundleGetInfoString</key>
+	<string>MeshLab VCG-ISTI-CNR</string>
+	<key>CFBundleIconFile</key>
+	<string>meshlab.icns</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>NOTE</key>
+	<string>Please, do NOT change this file -- It was generated by Qt/QMake.</string>
+</dict>
+</plist>
diff --git a/src/meshlab/meshlab.pro b/src/meshlab/meshlab.pro
index 4ab3fc2ca..7e8d0a9d5 100644
--- a/src/meshlab/meshlab.pro
+++ b/src/meshlab/meshlab.pro
@@ -58,6 +58,12 @@ RESOURCES     = meshlab.qrc
 # to add windows icon 
 RC_FILE = meshlab.rc
 
+
+### the xml info list 
+### the next time the app open a new extension
+QMAKE_INFO_PLIST = ../install/info.plist
+
+
 # to add MacOS icon 
 ICON = images/meshlab.icns