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The WK3 file format is a type of Lotus 3 Worksheet used by Lotus 1-2-3 version 3. It stores data in a grid of cells, rows, and columns and can be opened with IBM Lotus 1-2-3 and Microsoft Excel. However, support for WK3 files is limited as IBM Lotus 1-2-3 is no longer available and Excel 2007 and later versions do not support the format.
| Name | Lotus 3 Worksheet |
|---|---|
| File Extension(s) | .wk3 |
| 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 |