How to open .oab file format?

The probably reason why you are at this website is a problem with opening .oab file. The full name of the file is Offline Address Book. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.

.oab file extension (Offline Address Book)

Category Developer/Producer File description Popularity
Data Files N/A Offline Address Book
Programs using this file extension: .oab
ADS OS Software
  • Microsoft Outlook 2013

The file extension .oab can be used by another programs. If you have some useful information about .oab file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .oab file?
  • How to open .oab file?
  • What is .oab file?
  • How can I convert .oab file?
  • Where can I find informations about .oab file extension? (for example on the File Extension website)
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .oab extension on