QuarkXPress

QuarkXPress is a desktop publishing application.

Identifiers

 * QXD - QuarkXPress legacy Document (Version 3.1 - 5)
 * QXT - QuarkXPress legacy Template (Version 3.1 - 5)
 * QWD - QuarkXPress Web Document
 * QWT - QuarkXPress Web Template
 * QXL - QuarkXPress Library
 * QXB - QuarkXPress Book
 * QXP - QuarkXPress Project (Version 6 - 15)
 * QPT - QuarkXPress Project Template (Version 6 - 15)
 * QCD - QuarkXPress Article

Current versions may creat a QX bundle file on MacOS, which is a multi-file directory.

Identification
Files have "" or "" at offset 2.

QuarkXPress legacy documents (QuarkXPress 3, 4, 5 and 6) need to be converted to the new format (QuarkXPress 9.1) in order to be opened by QuarkXPress 10 and newer. Free software is available.

Versions
QuarkXPress file versions can be determined by hex values offset 8 or 9.

* QuarkXPress version 3.1 may have values of 0x39, 0x3A, 0x3B, 0x3D, 0x3E

Software

 * QuarkXPress
 * Re-lab / OLE Toy - Appears to have some support for parsing the format
 * Libqxp library for LibreOffice, currenly only reads QuarkXPress versions 3-4

Sample files

 * https://telparia.com/fileFormatSamples/document/quarkXPress/

Links

 * QuarkXPress
 * QuarkXPress website
 * Planet Quark
 * QXP File Format & Sample File