I recently see a lot of files and directories with names like "T9XY3G~X" on my android device. I find them in the directories I sync with my PC, even though they are not copied to my PC.

My device is a galaxy note with Android 4.3 and I use SyncMe for syncronization.

So, Is it safe to delete them? Can I prevent such files from appearing in future?

  • Including a real example (with path) might help to give a final answer. There are at least two possibilities: a) temporary files created by the sync process (should be automatically deleted by the sync app once the sync completes, but may be left in case of a crash), or b) as they are exactly 8 chars, that reminds me of FAT 8.3 aliases for long VFAT names (like "Progra~1" for "Program Files" on Windows). Are all those files on the external SDCard only? – Izzy May 6 '14 at 11:37

The files are generated by Samba when it encounters file name having invalid windows file name characters like :, \, <, >, | or directories ending with dot. The reason the files appear on your Android device is they were synced back from your PC. You can safely delete the files, but they will mostly likely reappear again, as long as files with invalid characters are created by Android apps.


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