ORF, or Olympus RAW, is a raw image format produced by Olympus digital cameras. The format is TIFF-like, but with a different file signature. The full-size image is in the first IFD. There is also Exif data, with a MakerNote.

Used in file types
  • .orf
This type may also appear as

This type isn't known to appear as any other mime types

Further reading
  1. Let's Solve the File Format Problem!