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NAB File

What are NAB files and how to open them

Are you having problems opening a NAB 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 NAB file?

A .NAB file is a Novell Groupwise Address Book file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open NAB files

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

While we have not verified the apps ourselves yet, our users have suggested eight different NAB openers which you will find listed below.

Last updated: November 10, 2022

Various apps that use files with this extension

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

Nero Burning ROMNero Burning ROMUser submitted
GroupWise Internet Browser Mail IntegrationGroupWise Internet Browser Mail IntegrationUser submitted
Novell GroupWiseNovell GroupWiseUser submitted
GroupWise ActiveComponentsGroupWise ActiveComponentsUser submitted
MYEDITMYEDITUser submitted
Numeracy activity builderNumeracy activity builderUser submitted
UntisUntisUser submitted
Nero - Burning RomNero - Burning RomUser submitted

Help us help others

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