File Extensions Abbreviations and Acronyms
- WJFWinzip Job File
- WJRReget Deluxe Data File
- WK1Spreadsheet (Lotus 123 version 2.x - Symphony 1.1 )
- WK1Lotus Worksheet
- WK2Lotus 2 Worksheet
- WKBWordPerfect for Win Workbook Document
- WKELotus 123 educational version Spreadsheet
- WKELotus 1-2-3 Educational Version Worksheet
- WKILotus 123 2.x Spreadsheet format
- WKILotus 2 Worksheet
- WKQQuattro Pro Workbook Spreadsheet
- WKSWorks Spreadsheet
- WKSLotus 1-2-3 Spreadsheet
- WKULotus 1-2-3 Spreadsheet
- WKZWingz Workbook Spreadsheet
- WLDTerraria World File
- WLDSmbx World File
- WLDEsri World File
- WLGDr. Watson Log
- WLKVirtus Walkthrough Graphics
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