The File Extensions Database


.NAB File Extension

  • Developer by: AOL Inc.
  • Category: Miscellaneous Files

What is an .NAB file?

.NAB is Netscape Communicator addressbook

The nab file extension is associated with Netscape. Netscape was discontinued product and support of this project was terminated on March 1, 2008. It was a serie of web browsers that were formerly produced by Netscape Communications Corporation.


How to open:

Use Netscape navigator to open files with nab extension.

How to convert:

No additional information how to convert NAB available yet.

How to solve problems with NAB files

  • Associate the NAB file extension with the correct application. On :
    Windows: Right click on any NAB file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.NAB files". Mac: Right click (or Ctrl-click) the NAB file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .NAB is Netscape Communicator addressbook. Because only the current version supports the latest NAB file format. Search, therefore, e.g. on the AOL Inc. manufacturer website after an available .NAB is Netscape Communicator addressbook update.
  • To make sure that your NAB file is not corrupted or virus-infected, get the file again and scan it with antivirus software.