NUP File Type

- The quick facts

What are NUP files and how to open them

Are you having problems opening a NUP file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a NUP file?

A .NUP file is a NOD32 Antivirus Update file.

The ESET Nod32 anti-virus software most commonly uses the .nup file extension. Files with the .nup extension contain update information for the anti-virus application. These updates are installed by the software to maintain up-to-date virus definitions and anti-virus protection.

How to open NUP files

Important: Different programs may use files with the NUP file extension for different purposes, so unless you are sure which format your NUP file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single NUP opener which you will find listed below.

Last updated: February 1, 2020

Various apps that use files with this extension

These apps are known to open certain types of NUP files. Remember, different programs may use NUP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

ESET Smart SecurityESET Smart SecurityUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about NUP file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.