File extension WK4 (.WK4) information

If Windows is unable to open WK4 files you may not have the appropriate program installed or may have a registry related error. We strongly recommend that you run a free registry scan.

Appropriate program:

The .WK4 file extension is associated with Lotus 1-2-3 and contains data relating to this spreadsheet program.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent and identify association errors.

• Performance: To optimize memory and CPU usage for WK4 files run a free performance scan.
• Stability: Fix WK4 errors to make your system and applications more stable.
• Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.