---
type: lookup
id: cwk-02-00-5a-57-52-54-00-00-00-00-00-00-00-00-00-00
asset: file-format-signatures
title: "02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 | ␂␀ZWRT␀␀␀␀␀␀␀␀␀␀ | 0 | cwk | Claris Works word processing doc"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00"
offset: "0"
extension: "cwk"
format: "Claris Works word processing doc"
---
**Hex signature:** 02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00

**Offset:** 0

**Extension:** cwk

**Format:** Claris Works word processing doc

> 02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 | ␂␀ZWRT␀␀␀␀␀␀␀␀␀␀ | 0 | cwk | Claris Works word processing doc

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