Cardfile
From Just Solve the File Format Problem
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Revision as of 15:35, 25 February 2020
Cardfile (sometimes spelled CardFile or Card File) is an address book application, with a native .crd file format. It was included with Microsoft Windows 1.0 through Windows Me and Windows NT 4. It has apparently been used as a clip art format.
Reportedly, the Cardfile source code was included in some Windows SDKs.
Contents |
Format details
There are three known .crd file formats, which can be named after their signatures:
- "MGC" format
- "RRG" format, used when the file contains OLE 1.0 objects
- "DKO" format, which uses Unicode text
Identification
Files begin with ASCII "MGC", "RRG", or "DKO".
Specifications
- Archived copy of Q99340: Windows 3.1 Card File Format
- Microsoft Support: Windows 3.1 Card File Format (from archive.org)
- The Cardwin Project website - Has information about the format
Software
- The Cardwin Project
- Freeware 64 bit and 32 bit CardFile replacement
- Deark can extract images and text, in most cases
Sample files
- WINDOART.ZIP [Ed. note: Somebody confused CRD format with CDR format.]
- CLIP_ART.ZIP
- WINSFT11.ZIP
- COMPUTER.CRD
- COPS.CRD
- 1a_sin.crd
