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.UNKNOWN · Unknown or Unidentified File Type

About the .unknown format

UNKNOWN means OpenFiles could not determine a specific format from the extension, filename, or recognized content signatures. The file may still contain valid data; checking its source and header can help identify it.

File Details

Extensions: —
MIME Types: —
Categories: —

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FAQ

Check the original source, file header, and expected application before changing the extension. Renaming a file does not convert its contents.

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