.WK3 File Extension

Lotus 3 Worksheet

Developer	IBM
Popularity	3.8 \| 4 Votes
Category	Data Files
Format	Binary

What is a WK3 file?

Spreadsheet file created by Lotus 1-2-3, version 3; stores data in cells, which are organized into a grid of rows and columns; may be used for a variety of data-entry purposes.

More Information

You can open WK3 files with IBM Lotus 1-2-3 and Microsoft Excel. However, IBM Lotus 1-2-3 is discontinued and Excel 2007 and later does not support WK3 files.

Programs that open WK3 files

Mac

IBM Lotus 1-2-3 — Discontinued

Paid

Microsoft Excel 2003 and earlier

Windows