PC.net

.wk3

File Type Generic IconLotus 3 Worksheet
File Format Proprietary (IBM)
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

Spreadsheet created by Lotus 1-2-3 v.3

Open With
Windows

IconIBM Lotus 1-2-3

IconMicrosoft Excel 2003 and earlier

Icon

macOS

IconIBM Lotus 1-2-3

IconMicrosoft Excel 2003 and earlier

Icon

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/wk3
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