Quark Express document — file signature 00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 (big-endian) at offset 0

For Quark Express document, hex signature is 00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 (big-endian); offset is 0; extension is qxd, verified against its source on 2026-09-22.

What the source says

00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 (big-endian) | ␀␀IIXPR ␀␀MMXPR | 0 | qxd | Quark Express document |

— en.wikipedia.org, retrieved 2026-09-22

Source

• en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.