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Conversion of wk1 file format to wk2 file format beta

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Convert Lotus 1-2-3 version 2.x spreadsheet to Lotus 1-2-3 version 2 spreadsheet.

We have found one software suitable in our database for this conversion.

The most reliable way how to work with ancient Lotus 1-2-3 spreadsheets (.wk1, .wk2) would be to use the original tool, perhaps in a virtual machine. If you do not have access to the original tool, you have to use some 3rd party software for the job, for example some open source productivity suites that may still support old Lotus 1-2-3 formats.

Updated: September 7, 2020

Microsoft Windows software Microsoft Windows icon - convert wk1 to wk2 on Windows

Lotus 1-2-3 icon Lotus 1-2-3

Old spreadsheet program from IBM

File extension









Convert from wk1 file

Yes, Lotus 1-2-3 supports wk1 file conversion as a source file type.YesYeswk1 editorYesNoNoNo

to wk2 file

NoYesYeswk2 editorYesNoNoNo

The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.


Additional links: Open wk1 file, Open wk2 file


Files with wk1 file extension are spreadsheets saved in old Lotus 1-2-3 office program. These files were used in version 2.X.


A wk2 file extension is related to the Lotus 1-2-3, a spreadsheet editor. A wk2 file contains spreadsheet.


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