An oab file extension is used for Microsoft Outlook offline address book files. Offline address book files contain the properties of a user, such as e-mail addresses. The oab files are created, when users use Microsoft Exchange Server e-mail accounts.

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Software that works with oab file extension

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OAB file extension - Microsoft Outlook offline address book

What is oab file? How to open oab files?

The oab file extension is associated with Microsoft Outlook, a personal information manager, which is part of Microsoft Office, developed by Microsoft Corporation.

The Microsoft Outlook offline address book file (*.oab file) contains the properties of a user, such as e-mail addresses, that Outlook requires in order to send an e-mail message and display information about the user.

The oab files are used for Microsoft Exchange Server e-mail accounts.

Path to oab file:

Windows Vista, Windows 7, Windows 8, Windows 10

\Users\user\AppData\Local\Microsoft\Outlook

Windows XP, Windows Server 2003

\Documents and Settings\user\Local Settings\Application Data\Microsoft\Outlook

The default software associated to oab file type:

Microsoft Outlook icon

Microsoft Corporation logo Microsoft Outlook  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Outlook is e-mail management tool and personal information manager distributed with Microsoft Office suite. Outlook integrates e-mail application, calendar, task manager, contact manager, note taking in to one application.

Microsoft Outlook is used as a stand-alone application and also can work with Microsoft Exchange Server and SharePoint Server.

The predecessor of Outlook was called Schedule+. The newest version is called Outlook 2016.

Microsoft Outlook for Mac icon

Microsoft Corporation logo Microsoft Outlook for Mac  Apple macOS / Mac OS X software

Company or developer:
  Microsoft Corporation

Microsoft Outlook for Mac is e-mail client and personal information manager distributed with Microsoft Office for Mac. Outlook for Mac contains email, calendar, address book, task list, note list managers in one application. Microsoft Outlook for Mac is a successor of Microsoft Entourage for Mac.

Help how to open OAB files:

Use Microsoft Outlook to open offline address book files.

How to convert file with extension OAB:

As far as we know, this .oab file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .oab file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open oab file, edit oab file, convert oab file, view oab file, play oab file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the oab files.

  • Open oab file
  • Save oab file
  • Edit oab file
  • Create oab file
  • Settings oab file
  • Others oab file

Software that open oab file - Microsoft Outlook offline address book

Click on the link to get more information about listed programs for open oab file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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