---
type: lookup
id: item-fe-ed-fa-cf
asset: file-format-signatures
title: "FE ED FA CF — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "Mach-O binary (64-bit)"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "FE ED FA CF"
offset: "0 0x1000"
extension: "|"
format: "Mach-O binary (64-bit)"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** FE ED FA CF

**Offset:** 0 0x1000

**Extension:** |

**Format:** Mach-O binary (64-bit)

> Mach-O binary (64-bit)

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