Conversion of xlsx files to wk1 file format

Old Lotus 1-2-3 software used .wk1 spreadsheets in one of its versions and its not something you would encounter in modern programs. Some programs may still support this format, but it is likely something that was available only in old versions. We list some of the software known to support the saving of .wk1 files from Excel spreadsheets.

Open XLSX file    Open WK1 file

Related software

Apache OpenOffice Calc icon

Apache OpenOffice Calc

Spreadsheet program from OpenOffice.org productivity suite

Corel Quattro Pro icon

Corel Quattro Pro

A spreadsheet software application from Corel

LibreOffice Calc icon

LibreOffice Calc

Full-featured spreadsheet tool from LibreOffice suite

Microsoft Excel icon

Microsoft Excel

A popular spreadsheet application distributed with Microsoft Office suite