How to reset the icon associated to a given file type?





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An application I used (MacCaml) changed the icon of all files with .ml or .oml extension. I would want them to recover their original icon (a blank document). Here is what I have tried (with each time : Finder relaunching, rebooting, creating a new .ml file and opening it with different applications to see if its icon would change) :




  • Setting “Always open with another application” (such as TextEdit).

  • Going into the application bundle, removing the corresponding .icns file which gives the unwanted icon to all .ml files, replacing it by another .icns file.

  • Deleting the application.

  • Resetting Finder preferences.

  • Trying to change the icon of one of these files (the usual way using Information window).

  • Deleting all .DS_Store files.


Nothing worked. Have you got any suggestion ?
I think a possible solution would be also to know the answer to the following question :



How to find where the icon associated to a given file is stored ?



For I removed that unwanted .icns file from my computer, though there visibly exists one remaining copy of it which is being used by the Operating System. But using find and fdupes I wasn't able to find any duplicate of that file…










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    1















    An application I used (MacCaml) changed the icon of all files with .ml or .oml extension. I would want them to recover their original icon (a blank document). Here is what I have tried (with each time : Finder relaunching, rebooting, creating a new .ml file and opening it with different applications to see if its icon would change) :




    • Setting “Always open with another application” (such as TextEdit).

    • Going into the application bundle, removing the corresponding .icns file which gives the unwanted icon to all .ml files, replacing it by another .icns file.

    • Deleting the application.

    • Resetting Finder preferences.

    • Trying to change the icon of one of these files (the usual way using Information window).

    • Deleting all .DS_Store files.


    Nothing worked. Have you got any suggestion ?
    I think a possible solution would be also to know the answer to the following question :



    How to find where the icon associated to a given file is stored ?



    For I removed that unwanted .icns file from my computer, though there visibly exists one remaining copy of it which is being used by the Operating System. But using find and fdupes I wasn't able to find any duplicate of that file…










    share|improve this question



























      1












      1








      1








      An application I used (MacCaml) changed the icon of all files with .ml or .oml extension. I would want them to recover their original icon (a blank document). Here is what I have tried (with each time : Finder relaunching, rebooting, creating a new .ml file and opening it with different applications to see if its icon would change) :




      • Setting “Always open with another application” (such as TextEdit).

      • Going into the application bundle, removing the corresponding .icns file which gives the unwanted icon to all .ml files, replacing it by another .icns file.

      • Deleting the application.

      • Resetting Finder preferences.

      • Trying to change the icon of one of these files (the usual way using Information window).

      • Deleting all .DS_Store files.


      Nothing worked. Have you got any suggestion ?
      I think a possible solution would be also to know the answer to the following question :



      How to find where the icon associated to a given file is stored ?



      For I removed that unwanted .icns file from my computer, though there visibly exists one remaining copy of it which is being used by the Operating System. But using find and fdupes I wasn't able to find any duplicate of that file…










      share|improve this question
















      An application I used (MacCaml) changed the icon of all files with .ml or .oml extension. I would want them to recover their original icon (a blank document). Here is what I have tried (with each time : Finder relaunching, rebooting, creating a new .ml file and opening it with different applications to see if its icon would change) :




      • Setting “Always open with another application” (such as TextEdit).

      • Going into the application bundle, removing the corresponding .icns file which gives the unwanted icon to all .ml files, replacing it by another .icns file.

      • Deleting the application.

      • Resetting Finder preferences.

      • Trying to change the icon of one of these files (the usual way using Information window).

      • Deleting all .DS_Store files.


      Nothing worked. Have you got any suggestion ?
      I think a possible solution would be also to know the answer to the following question :



      How to find where the icon associated to a given file is stored ?



      For I removed that unwanted .icns file from my computer, though there visibly exists one remaining copy of it which is being used by the Operating System. But using find and fdupes I wasn't able to find any duplicate of that file…







      macos icons finder file-association






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      edited Feb 2 at 17:04







      Egomet

















      asked Feb 2 at 16:44









      EgometEgomet

      62




      62






















          2 Answers
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          0














          I have never actually tried this to remove an association, only ever add or change one, but the single go-to utility for Mac file associations has always been RCDefaultApp (freeware).

          First released in 2004 & hasn't been updated since 2009... but still works on Mojave.



          It installs as a control panel.




          1. Select the extensions tab [it may take some time to load up]

          2. Scroll to your desired extension.

          3. Change the Default App - this includes Default, Disable or Other...[which gives a file picker] as well as any app that has declared it can handle that file type.


          I'm guessing Disable may remove all associations & revert the icon - it may need a reboot, or potentially a file.



          Extension picked at random, I don't have the ones your question refers to.



          enter image description here






          share|improve this answer
























          • Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

            – Egomet
            Feb 2 at 18:32





















          0














          I eventually solved the problem by rebuilding OS X’s LaunchServices database. A way to achieve this is the following command :



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


          (It is also possible to use OnyX utility.) A reboot has been necessary.






          share|improve this answer
























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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0














            I have never actually tried this to remove an association, only ever add or change one, but the single go-to utility for Mac file associations has always been RCDefaultApp (freeware).

            First released in 2004 & hasn't been updated since 2009... but still works on Mojave.



            It installs as a control panel.




            1. Select the extensions tab [it may take some time to load up]

            2. Scroll to your desired extension.

            3. Change the Default App - this includes Default, Disable or Other...[which gives a file picker] as well as any app that has declared it can handle that file type.


            I'm guessing Disable may remove all associations & revert the icon - it may need a reboot, or potentially a file.



            Extension picked at random, I don't have the ones your question refers to.



            enter image description here






            share|improve this answer
























            • Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

              – Egomet
              Feb 2 at 18:32


















            0














            I have never actually tried this to remove an association, only ever add or change one, but the single go-to utility for Mac file associations has always been RCDefaultApp (freeware).

            First released in 2004 & hasn't been updated since 2009... but still works on Mojave.



            It installs as a control panel.




            1. Select the extensions tab [it may take some time to load up]

            2. Scroll to your desired extension.

            3. Change the Default App - this includes Default, Disable or Other...[which gives a file picker] as well as any app that has declared it can handle that file type.


            I'm guessing Disable may remove all associations & revert the icon - it may need a reboot, or potentially a file.



            Extension picked at random, I don't have the ones your question refers to.



            enter image description here






            share|improve this answer
























            • Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

              – Egomet
              Feb 2 at 18:32
















            0












            0








            0







            I have never actually tried this to remove an association, only ever add or change one, but the single go-to utility for Mac file associations has always been RCDefaultApp (freeware).

            First released in 2004 & hasn't been updated since 2009... but still works on Mojave.



            It installs as a control panel.




            1. Select the extensions tab [it may take some time to load up]

            2. Scroll to your desired extension.

            3. Change the Default App - this includes Default, Disable or Other...[which gives a file picker] as well as any app that has declared it can handle that file type.


            I'm guessing Disable may remove all associations & revert the icon - it may need a reboot, or potentially a file.



            Extension picked at random, I don't have the ones your question refers to.



            enter image description here






            share|improve this answer













            I have never actually tried this to remove an association, only ever add or change one, but the single go-to utility for Mac file associations has always been RCDefaultApp (freeware).

            First released in 2004 & hasn't been updated since 2009... but still works on Mojave.



            It installs as a control panel.




            1. Select the extensions tab [it may take some time to load up]

            2. Scroll to your desired extension.

            3. Change the Default App - this includes Default, Disable or Other...[which gives a file picker] as well as any app that has declared it can handle that file type.


            I'm guessing Disable may remove all associations & revert the icon - it may need a reboot, or potentially a file.



            Extension picked at random, I don't have the ones your question refers to.



            enter image description here







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Feb 2 at 17:06









            TetsujinTetsujin

            16k53462




            16k53462













            • Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

              – Egomet
              Feb 2 at 18:32





















            • Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

              – Egomet
              Feb 2 at 18:32



















            Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

            – Egomet
            Feb 2 at 18:32







            Thank you for your answer. The problem is partially solved. The concerned file icons changed but : — the unwanted icons briefly appears when the Finder window is loading — one of the two icons displayed when opening the file in Xcode is the unwanted icon : i.imgur.com/SU3SJ7y.png — all files displayed on Desktop have the unwanted icon if, and only if the icon size is set to <= 48 px ; which is a very strange behaviour… Have you got any idea ?

            – Egomet
            Feb 2 at 18:32















            0














            I eventually solved the problem by rebuilding OS X’s LaunchServices database. A way to achieve this is the following command :



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


            (It is also possible to use OnyX utility.) A reboot has been necessary.






            share|improve this answer




























              0














              I eventually solved the problem by rebuilding OS X’s LaunchServices database. A way to achieve this is the following command :



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


              (It is also possible to use OnyX utility.) A reboot has been necessary.






              share|improve this answer


























                0












                0








                0







                I eventually solved the problem by rebuilding OS X’s LaunchServices database. A way to achieve this is the following command :



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


                (It is also possible to use OnyX utility.) A reboot has been necessary.






                share|improve this answer













                I eventually solved the problem by rebuilding OS X’s LaunchServices database. A way to achieve this is the following command :



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


                (It is also possible to use OnyX utility.) A reboot has been necessary.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Feb 3 at 13:03









                EgometEgomet

                62




                62






























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