An nu3 file extension is related to the Norton Utilities and used for its backup files.

Detailed description

Software that open nu3 file

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NU3 file extension - Symantec Norton Utilities backup

What is nu3 file? How to open nu3 files?

File type specification:

Backup file type icon Backup file type

The nu3 file extension is associated with Symantec Norton Utilities.

The nu3 files are used for backup purposes.

Most likely some old format without support. No further information could be found.

This nu3 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: February 20, 2019

The default software associated to open nu3 file:

Norton Utilities icon

Symantec Corporation logoNorton Utilities  Microsoft Windows software

Company or developer:
Symantec Corporation

Norton Utilities is a set of tools used to clean up, tune up and speed up PC. Norton Utilities finds and fixes problems that can slow down the computer.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .nu3 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .nu3 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open nu3 file, edit nu3 file, convert nu3 file, view nu3 file, play nu3 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with nu3 file - Symantec Norton Utilities backup

Click on the software link for more information about Norton Utilities. Norton Utilities uses nu3 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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