.NSI File

The nsi file extension is associated with applications and utilities like Norton Antivirus, Symantec Backup Exec, pcAnywhere etc developed by Symantec.

The nsi file contains various kind of shared data.

An nsi file extension is related to applications developed by Symantec and used for shared data files.

How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.