The File Extensions Database

.NA2 File Extension

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

What is an .NA2 file?

.NA2 is Netscape Address Book File

Address Book used by the older Netscape Communicator Web browser and email program, as well as the newer Mozilla SeaMonkey application; stores a collection of contacts; usually has the filename pab.na2.

Programs that open Netscape Address Book File
Mozilla SeaMonkey
Mozilla SeaMonkey
Mozilla SeaMonkey

How to solve problems with NA2 files

  • Associate the NA2 file extension with the correct application. On :
    Windows: Right click on any NA2 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.NA2 files". Mac: Right click (or Ctrl-click) the NA2 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 .NA2 is Netscape Address Book File. Because only the current version supports the latest NA2 file format. Search, therefore, e.g. on the Mozilla manufacturer website after an available .NA2 is Netscape Address Book File update.
  • To make sure that your NA2 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.