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How To: Mac Change Right-Click Open With Application List

How To: Mac Change Right-Click Open With Application List

In Mac OS X, quickly change the Applications that appear when you Right-Click any file and choose Open With.


1. In this example, we want a .flv file to be able to open in Firefox. Right now, if we right-click and choose Open With, Firefox is not listed as available application to open in.

Mac open with missing applications


2. Find (Applications -> Then, right-click and choose Show Package Contents.

Mac firefox show package contents


3. Open Contents -> info.plist

4. In this file, find CFBundleTypeExtensions. We will be adding the line below between the and brackets in this file. Notice the FLV string.



Mac open with applications info.plist


5. Save the file.

6. Now we need to apply our changes to Mac X finder. Type the following commands below in Mac X Terminal.

/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -f /Applications/


/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user


 killall Finder


Note: If killall Finder returns No matching processes belonging to your were found, then re-launch Finder -> Force Quit -> select Finder and Relaunch


7. Now we see Firefox as an Open With App!

Mac open with application new list


You can do this for any application in Mac X. Remember to change the above Terminal command paths to the actual application!

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Friday, 21 January 2022