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Picture and video files (.png, .jpeg, .mov, .mp4). won't open

I am suddenly unable to open a number of my picture and video files (.png, .jpeg, .mov, .mp4). I get the message "There is no application set to open the document." These files are very important to me. Does anyone know what could be going on?

MacBook Air 11", macOS 10.12

Posted on May 8, 2019 9:21 AM

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Question marked as Best answer

Did you unlock the padlock at the bottom right? If you go to the bottom of the Get Info, do you have read/write permissions? If not, can you give yourself read/write permissions?


You can also try resetting your home folder permissions.


Reset Home folder Permissions

Posted on May 8, 2019 10:49 AM

5 replies

Picture and video files (.png, .jpeg, .mov, .mp4). won't open

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