---
type: lookup
id: fax-46-41-58-58
asset: file-format-signatures
title: "46 41 58 58 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "faxx fax iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Fax> Facsimile Image"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "46 41 58 58"
offset: "0"
extension: "fax"
format: "Facsimile Image"
unverified_fields: hex_signature, offset
---
**Hex signature:** 46 41 58 58

**Offset:** 0

**Extension:** fax

**Format:** Facsimile Image

> faxx fax iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Fax> Facsimile Image

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>