Microsoft Works Spreadsheet
From Just Solve the File Format Problem
This article describes the formats used by the spreadsheet component of the Microsoft Works office suite.
See Microsoft Works for more information and resources.
Identifiers
Format | Version | Ext. | PRONOM |
---|---|---|---|
Microsoft Works Spreadsheet | 1-5 | .wks | fmt/166 |
Microsoft Works Spreadsheet | 6-9 | .xlr | fmt/901 |
Microsoft Works Spreadsheet for Macintosh | 3 | .wks | fmt/270 |
Microsoft Works Spreadsheet for Macintosh | 4 | .wks | fmt/271 |
Backup file | .bks |
Identification
Some or all WKS files begin with a 00
or ff
byte, followed by 00 02 00 04 04 05 54 02 00
.
Oddly, WKS did not switch to a Microsoft Compound File container when WPS and WDB did.