Some spreadsheet programs still support the WK3 format used in old Lotus 1-2-3 and can import and process the data so they can be saved in some of the more modern formats like XLS/XLSX. Should be easy enough even with some open source spreadsheet editors.
Convert Lotus 1-2-3 version 3.x spreadsheet to Microsoft Excel Open XML workbook and spreadsheet.
We found 3 software records in the database related to .wk3 to .xlsx file format conversion.
Microsoft Windows software - convert wk3 to xlsx on Windows
A popular spreadsheet application distributed with Microsoft Office suite
Convert from wk3 file format
|Yes, Microsoft Excel supports xlsx file conversion as a target file type.||Yes||Yes||xlsx editor||Yes||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned wk3 to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A spreadsheet software application from Corel
Multiplatform software - convert wk3 to xlsx on any platform
Full-featured spreadsheet tool from LibreOffice suite