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OAB File Extension

OAB file extension is created by Developer, also known as Offline Address Book. OAB has been classified as Data Files. The format of this file type has not been determined yet. You can open OAB files in Microsoft Outlook program.



Offline Address Book File Type

Offline Address Book File Type
Extension .oab
Developer Not Available
Popularity 5.0 (40 Votes)
Mime Type mime-type/not.available
Default Program Microsoft Outlook
Category Data Files
Format Not Available
Updated 12/1/2024

What is a OAB File Type?



Free online OAB Tools & Apps

We have also the free online .OAB (Offline Address Book) file extension apps that can allow to view, edit, convert from to OAB, merge, split and compare the OAB files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



OAB Files Common Issues

There are few common issues with the Offline Address Book .OAB File Extensions while opening the .OAB files on Windows and MacOs, we have solution to those issues such as:

Can't Open OAB Files?

  1. You must have supported software programs installed for Offline Address Book on your system such as Microsoft Outlook.
  2. Associate default Microsoft Microsoft Outlook program for *.oab (Offline Address Book) files.

    Associate OAB Default Program on Windows
    1. Right-click a *.OAB (e.g example.oab) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft Outlook program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .oab files.

    Associate OAB Default Program on MacOs
    1. Click *.OAB (e.g example.oab) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft Outlook program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft Outlook extension. By clicking Continue you confirm your selection", click Contine to apply changes.


All Platform Software Programs for OAB File Extension

List of all softwares that can open the OAB files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open OAB File on Windows

Software License Developer
Microsoft Outlook image. Microsoft Outlook 365 for Windows Commercial Microsoft

MacOs logo image - FileProInfo.comOpen OAB File on Mac OS

Software License Developer
Microsoft Outlook image. Microsoft Outlook 365 for MacOs Commercial Microsoft

Linux logo image - FileProInfo.comOpen OAB file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen OAB file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen OAB file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen OAB file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

OAB file extension icon image.About OAB - Offline Address Book

FileProInfo is to help you understand about the Offline Address Book with *.OAB suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for OAB. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for OAB, please let us know.

Updated 12/1/2024


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