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Browse by file type:
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.WK1 File Extension
Run a free scan for .WK1 file extension errors.
| File Type |
Lotus Worksheet |
| Category |
Data Files |
| Common? |
No |
| File Description |
Spreadsheet created by Lotus 1-2-3, the first major spreadsheet application; originally developed by Lotus Software, which was aquired by IBM in 1995. |
| Program(s) that open wk1 files |
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Mac OS |
 IBM Lotus 1-2-3 (part of Lotus SmartSuite)
Microsoft Access or Excel |
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Windows |
IBM Lotus 1-2-3 (part of Lotus SmartSuite)
Microsoft Access or Excel |
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