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The WK1 file format is a type of spreadsheet document used by Lotus 1-2-3, a software that is no longer in development and was part of the Lotus Smart Suite productivity suite. In the 1990s, WK1 documents were widely used when Lotus products were competing with Microsoft Office tools.
These files contain typical spreadsheet elements such as cells, rows, and columns. They are useful for storing and analyzing structured data and enable users to easily perform calculations using the software.
| Name | Lotus Worksheet |
|---|---|
| File Extension(s) | .wk1 |
| Category | Spreadsheets |
| Use For | N/A |
| Developer | IBM |
| MIME Type(s) | application/vnd.lotus-1-2-3 application/x-123 |
| License | N/A |
| File Sample(s) | N/A |