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

There are 2 other file types using
the NSI file extension!

empty icon.nsi - NSIS Nullsoft Scriptable Install System script

empty icon.nsi - NewsStand Reader data

Detailed description

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NSI file extension - Symantec shared data

What is nsi file? How to open nsi files?

File type specification:

Various data file type icon Various data file type

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.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

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