QuarkXPress

File Format
Name	QuarkXPress
Ontology	Electronic File Formats Document Desktop Publishing QuarkXPress
Extension(s)	.qxp, .qxd, others
MIME Type(s)	application/vnd.quark.quarkxpress
PRONOM	x-fmt/182, fmt/652, fmt/685, fmt/651
Released	1987

QuarkXPress is a desktop publishing application.

Identifiers

Many file extensions have been reported: .qcd, .qct, .qpt, .qwd, .qwt, .qxb, .qxd, .qxl, .qxp, .qxt. More research may be needed to sort this out.

Identification

Files have "IIXPR" or "MMXPR" 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 offset 8 or 9.

Version	Extension	Year	Offset
QuarkXPress 1		1987	0x20
QuarkXPress 2		1989
QuarkXPress 3.1 Mac	.QXD	1992	0x39
QuarkXPress 3.1	.QXD	1992	0x3e
QuarkXPress 3.3	.QXD	1996	0x3f
QuarkXPress 4	.QXD	1997	0x41
QuarkXPress 5	.QXD	2002	0x42
QuarkXPress 6	.QXP	2003	0x43
QuarkXPress 7	.QXP	2006	0x44
QuarkXPress 8	.QXP	2008	0x45
QuarkXPress 9	.QXP	2011	0x46
QuarkXPress 9.1	.QXP	2011	0x47

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

Links

• Wikipedia: QuarkXPress
• QuarkXPress website
• Planet Quark