Some modern spreadsheet programs are still able to open the old Lotus spreadsheets in WK1 format. You will most likely loose all of the original formatting, but there should be no problem to save the data in tables as plain text. Better would be to save in some kind of formatted text though, like CSV.
Convert Lotus 1-2-3 version 2.x spreadsheet to Simple text file.
We found 2 software records in the database related to .wk1 to .txt file format conversion.
Microsoft Windows software - convert wk1 to txt on Windows
Various text format conversion utility
Convert from wk1 file format
|Yes, ABC Amber Text Converter supports txt file conversion as a target file type.||No||No||No||No||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 wk1 to txt. 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 popular spreadsheet application distributed with Microsoft Office suite