# 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D — File format magic numbers

For 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D, offset is 0; extension is Identifier; format is Microsoft Zone Identifier for URL Security Zones, recorded from its source on 2026-08-03.

- **Hex signature:** 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** Identifier
- **Format:** Microsoft Zone Identifier for URL Security Zones

## What the source says

> Microsoft Zone Identifier for URL Security Zones [ 76 ] [ 77 ]

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).