Norton Icon Library icon set
File type: Graphics file
Files with the nil file extension are Norton Icon Library files. They store icon resources used by Norton software rather than documents intended for direct editing.
These files are associated with Norton Internet Security and Norton Utilities for Microsoft Windows.
Found 2 different file type records with the same nil filename suffix.
File type category:
Graphics file
Date updated: October 12, 2026
The Norton Icon Library is a collection of icon resources used by applications developed by Norton, including Norton Internet Security and Norton Utilities.
A .nil file contains icons or related resources that compatible Norton software can load for its user interface. It is a supporting file for the application and is not a general-purpose graphics project.
The format is primarily associated with Norton software for Microsoft Windows and is not normally used as a user-facing graphics format.
A .nil file is used by compatible Norton software rather than opened as a standalone document. On Microsoft Windows, keep the file in its original Norton software folder and use the associated Norton Internet Security or Norton Utilities installation.
It is not generally intended to be opened directly in a graphics editor or as a standalone icon library.
Norton Icon Library files are application resource files rather than editable image documents, so they are not normally converted using standard graphics software.
Retain the original .nil file for the Norton software that requires it.
Software applications that handle other tasks involving nil files:
Microsoft Windows
File type category:
Various data file
Date updated: August 29, 2018
The nil file extension is also used by QIP, an instant messaging client for Microsoft Windows operating system and various other platforms.
The nil file stores some kind of data.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving nil files:
Microsoft Windows
QIP
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