# FF FE — File format magic numbers

For FF FE, offset is 0; extension is txt others; format is <https://en.wikipedia.org/wiki/UTF-16LE> UTF-16LE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ], recorded from its source on 2026-08-03.

- **Hex signature:** FF FE _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** txt others _(unconfirmed — we could not tie this to the quote below)_
- **Format:** <https://en.wikipedia.org/wiki/UTF-16LE> UTF-16LE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]

## What the source says

> <https://en.wikipedia.org/wiki/UTF-16LE> UTF-16LE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).