File extension NSF (.NSF) information

If Windows is unable to open NSF 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 .NSF file extension identifies a Lotus Notes Database file which belongs to the Lotus Notes suite by IBM. A Lotus Notes database file can be quite large and may contain lots of personal or corporate data. Lotus Notes can be used to access such a database, or it can be hosted using the Lotus Domino software solution.. 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 NSF files run a free performance scan.
• Stability: Fix NSF errors to make your system and applications more stable.
• Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.