Rozszerzenie pliku .WK4
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Lotus 1-2-3 Version 4.x Spreadsheet
| Ads | OS | Software |
|---|---|---|
| WINDOWS |
 Lotus 1-2-3  Corel Quattro Pro  Microsoft Excel  OpenOffice.org Calc  LibreOffice Calc  ABC Amber Text Converter |
| Ads | OS | Software |
|---|---|---|
| WINDOWS |
Lotus 1-2-3 Corel Quattro Pro Microsoft Excel OpenOffice.org Calc LibreOffice Calc ABC Amber Text Converter |