.WT4 file extension

This is the basic program to work with .WT4 extension

Lotus SmartSuite Release

Lotus SmartSuite Release 1-2-3 Worksheet

The program works with the following extensions: pal, mwp, vew, dgm, smc, prz, sym, lwp, smm, wk1, pre, mas, wk3, wk4, wt4, apr, apt, mpr and 123

.WT4 extension is also supported by the following programs:

Lotus SmartSuite 97

Lotus SmartSuite 97 1-2-3 Worksheet

Lotus 1-2-3

Lotus 1-2-3 1-2-3 Worksheet

IBM Lotus offers powerful ways to work with numbers.
Lotus SmartSuite - English

Lotus SmartSuite - English 1-2-3 Worksheet