The File Extensions Database


.MAB File Extension

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

What is an .MAB file?

.MAB is Mozilla Address Book

Address book format used by Thunderbird and SeaMonkey, as well as the older Netscape and Mozilla mail programs; contains contact information, such as names, email addresses, and phone numbers; used for managing personal and business contacts.

Some example MAB files include the following:

  • abook.mab: personal address book
  • history.mab: collected addresses
  • impab.mab: imported address book

NOTE: MAB files can be imported in OpenOffice.org and LibreOffice by choosing File → Wizards → Address Data Source from the application menu and then selecting a MAB file.

Programs that open Mozilla Address Book
Windows
Mozilla Thunderbird
Mozilla SeaMonkey
LibreOffice
Apache OpenOffice
Mac
Mozilla Thunderbird
Mozilla SeaMonkey
LibreOffice
Apache OpenOffice
Linux
Mozilla Thunderbird
Mozilla SeaMonkey
LibreOffice
Apache OpenOffice

How to solve problems with MAB files

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