---
type: lookup
id: vdi-3c-3c-3c-20-4f-72-61-63-6c-65-20-56-4d-20-56-69-72-74-75-61-6c-42-6f-78-20-44-69
asset: file-format-signatures
title: "3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "vdi | <https://en.wikipedia.org/wiki/VirtualBox> VirtualBox Virtual Hard Disk file format"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E"
offset: "0"
extension: "vdi"
format: "VirtualBox Virtual Hard Disk file format"
unverified_fields: hex_signature, offset
---
**Hex signature:** 3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E

**Offset:** 0

**Extension:** vdi

**Format:** VirtualBox Virtual Hard Disk file format

> vdi | <https://en.wikipedia.org/wiki/VirtualBox> VirtualBox Virtual Hard Disk file format

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