---
type: lookup
id: utoc-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d
asset: file-format-signatures
title: "2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D | -==--==--==--==- | 0 | utoc | <https://en.wikipedia.org/wiki/Unreal_Engine> Unreal Engine Table of Contents file |"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d"
offset: "0"
extension: "utoc"
format: "Unreal Engine Table of Contents file"
---
**Hex signature:** 2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d

**Offset:** 0

**Extension:** utoc

**Format:** Unreal Engine Table of Contents file

> 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D | -==--==--==--==- | 0 | utoc | <https://en.wikipedia.org/wiki/Unreal_Engine> Unreal Engine Table of Contents file |

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