---
type: lookup
id: aiff-46-4f-52-4d-41-49-46-46
asset: file-format-signatures
title: "46 4F 52 4D ?? ?? ?? ?? 41 49 46 46 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "FORM ???? AIFF | 0 any | aiff aif aifc snd iff | <https://en.wikipedia.org/wiki/Audio_Interchange_File_Format> Audio Interchange File Format"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "46 4F 52 4D ?? ?? ?? ?? 41 49 46 46"
offset: "0"
extension: "aiff"
format: "Audio Interchange File Format"
unverified_fields: hex_signature
---
**Hex signature:** 46 4F 52 4D ?? ?? ?? ?? 41 49 46 46

**Offset:** 0

**Extension:** aiff

**Format:** Audio Interchange File Format

> FORM ???? AIFF | 0 any | aiff aif aifc snd iff | <https://en.wikipedia.org/wiki/Audio_Interchange_File_Format> Audio Interchange File Format

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