.WK4 File Extension

Lotus 4 Worksheet

Developer IBM
3.1  |  22 Votes
Category Data Files
Format Binary

What is a WK4 file?

Spreadsheet created by IBM Lotus 1-2-3 (v.4), a spreadsheet program included with Lotus SmartSuite; stores data in cells that are organized into rows and columns; each cell can store static data or a formula, which automatically updates the value displayed in the cell.

More Information

NOTE: Previous versions of Microsoft Excel could import WK4 files, but Excel 2007 and later does not support the WK4 format.

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Programs that open WK4 files

IBM Lotus 1-2-3  —  Discontinued
Lotus 1-2-3 WK4 File Converter
IBM Lotus 1-2-3  —  Discontinued
Lotus 1-2-3 WK4 File Converter
Updated August 10, 2011

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