1. AC Question's Avatar
    I'm trying to open a file from the device storage and it says unable to open file... To the left of the file there is a question mark icon...so I don't know what type of file it is.. Help
    04-28-2015 08:08 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! What are you using to locate the file, a file manager app? Long-press the file, and see if there is a Details option that appears--that might tell you what kind of file it is.

    What is this file anyway? It may be in a proprietary format that can't be read by any Android app.
    04-29-2015 02:39 AM
  3. Suhasish Sen's Avatar
    How can I open ?file ,please tell me the procedures
    05-15-2016 12:28 PM
  4. Javier P's Avatar
    How can I open ?file ,please tell me the procedures
    Welcome to the forums! Could you elaborate a bit more? What kind of file are you trying to open and what error do you get? What device and Android version?
    05-15-2016 12:39 PM
  5. Panterachick's Avatar
    This my problem I want to know if I can delete them.
    Attached Thumbnails It won't let me open the file..it has a question mark icon to the left of file. How do I now what type of file it is?-screenshot_20170711-195439.jpg  
    07-11-2017 10:01 PM
  6. PJRed2008's Avatar
    This my problem I want to know if I can delete them.
    They look like file fragments or some kind of working file, but they are not executable. You can try to delete, but I would tread lightly as they may still be in use by the system.
    07-11-2017 10:26 PM
  7. Panterachick's Avatar
    I got like 50 of them and they r eating up all my space on phone storage. Do u think they will still work if I move them to SD storage? I have some in there too
    07-11-2017 10:57 PM

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