File extension WK1 (.WK1) information

If Windows is unable to open WK1 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 .WK1 file extension identifies a Lotus Worksheet which belongs to the Lotus 1-2-3 spreadsheet owned by IBM. Spreadsheets can be used to store information with the view of producing reports, charts and other advanced calculation and analysis operations.. 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 WK1 files run a free performance scan.
• Stability: Fix WK1 errors to make your system and applications more stable.
• Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.