wk1

The WK1 file format is primarily associated with ‘Lotus 1-2-3’ which is a spreadsheet program developed by Lotus ( now part of IBM ). It was an application with huge popularity in the mid-1980’s which was also due to the success of the IBM pc in the business environment. The WKS file format can also be opened, converted ( save as ) and edited by Microsoft Excel.

Mime type: application/vnd.lotus-1-2-3, application/lotus123, application/x-lotus123, application/wk1, application/x-lotus123, application/x-wk1

Similar formats: WK2, WK3, WKS

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