File Extension Library

.NUP File Extension

  • Developer by: ESET
  • Category: Misc Files
  • Format: Binary

What is an .NUP file?

.NUP file extension is created by ESET. .NUP has been classified as Misc Files. The format of .NUP file is Binary.

.NUP is Smart Security Update File

A NUP file is an update file used for updating ESET Smart Security, a personal firewall, antispam, antivirus, and antispyware program. It contains the update name, software version and build, category, date, file size, and the update module data. NUP files are also used by other ESET products, including Cybersecurity for Mac.

ESET Smart Security was replaced by ESET Internet Security, an improved security program. It features multi-layered security for Windows users as they browse the web.

List of all softwares that can open the Smart Security Update File
ESET Internet Security
ESET Cybersecurity for Mac

How to Open .NUP file on different platforms

Open .NUP File on Windows

  • Right-click a .NUP
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .NUP file and Select check box "Always use this app to open .NUP files" Press "Ok"

Open .NUP File on Mac

  • Right-click (or Ctrl + Left-click) the .NUP file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .NUP File on Linux

Right click on the .NUP file, choose "Open with" and select a program from the list above

Open .NUP File on iPhone

Select a file. If you don't see an application to open the .NUP file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .NUP File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .NUP files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .NUP files

  1. You need to update the application that you normally use to open .NUP files. Only the latest version of the software supports the current .NUP file format
  2. You need to check the .NUP file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)