Microsoft Works Database

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File Format
Name Microsoft Works Database
Ontology
Extension(s) .wdb, .bdb
PRONOM fmt/256, others

Microsoft Works Database is the native database format of the Microsoft Works office suite.

See Microsoft Works for more information and resources.

Identifiers

Format Version Ext. PRONOM
Microsoft Works Database for DOS 1.05 .wdb fmt/169
Microsoft Works Database for DOS 1.12 .wdb fmt/170
Microsoft Works Database for DOS 2.0 .wdb fmt/171
Microsoft Works Database for DOS 3 .wdb fmt/259
Microsoft Works Database for DOS 3a .wdb fmt/260
Microsoft Works Database for DOS 3b .wdb fmt/261
Microsoft Works Database for Windows 2.0 .wdb fmt/219
Microsoft Works Database for Windows 2.0a .wdb fmt/222
Microsoft Works Database for Windows 3.0 .wdb fmt/223
Microsoft Works Database for Windows 3.0a .wdb fmt/224
Microsoft Works Database for Windows 3.0b .wdb fmt/225
Microsoft Works Database for Windows 4.0 .wdb fmt/226
Microsoft Works Database for Windows 4.0a .wdb fmt/246
Microsoft Works Database for Windows 4.5 .wdb fmt/249
Microsoft Works Database for Windows 4.5a .wdb fmt/252
Microsoft Works Database for Windows 2000 .wdb fmt/256
Microsoft Works Database for Macintosh 3 .wdb fmt/268
Microsoft Works Database for Macintosh 4 .wdb fmt/269
Microsoft Works Database [backup file] .bdb x-fmt/344

Identification

Some or all early WDB files begin with (hex) 20 54 02 00 00 00 05 54 02 00.

Later versions are based on Microsoft Compound File format. The root CLSID {00021303-0000-0000-c000-000000000046} has been observed.

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