.NU3 File Extension

Verified information
Information about the file NU3
  • Symantec Norton Utilities Backup Format
  • Backup Files

What is the NU3 file?

The NU3 file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Symantec Norton Utilities Backup Format format. NU3 files are supported by Windows operating systems. The NU3 file is one of the Backup Files files, just like 243 of the other files found in our file information database.

A program that can open the NU3 file is e.g. Norton Utilities. This software was released by Symantec Corporation.

Programs, that can open .NU3 files

Symantec Corporation
Norton Utilities
Windows

How to open a .NU3 file?

If you have problems opening the file NU3, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the NU3 file format with the installed program. If not, right click on your NU3 file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all NU3 files should automatically open with the selected program.

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