file type Change back to "unknown application"

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  1. Ashley Editor
    Posts : 1
    Windows 7
       New #11

    After doing the procedure, all my video files, when I opened the program; Sony Vegas Pro, they wouldn't load. The files were instead of mp4 are now m4v. How do I fix this?
      My Computer
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  3. Xernive
    Posts : 1
    Windows 10 x64
       New #12

    Pyprohly said:
    File Extension Type - Unassociate

    Highly recommend OPTION THREE.
    I really don't condone necroing "Replying/bumping very old/dead threads" however I made a account just to say that after weeks of searching and even years of attempting to fix the dreadful "I accidently opened this file with this file association e.g. *.dat -> notepad* and now it's F****ed" issue, That this method fixed it within mere seconds. For whoever does this "Woops changed file association" this will WORK 100%
      My Computer
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