PAB File Extension

PAB file icon

Personal Address Book

What is a PAB file?

Personal Address Book, identified by the PAB extension, is a Email Program Files type and includes 50 files.

Microsoft, the developer of the Personal Address Book (PAB), has released file format and 242 programs designed to handle them.

PAB files are compatible with various operating systems, including Windows and Mac OS. There are 5 programs available to open a PAB file, including popular tools like Microsoft Outlook, Microsoft Exchange Server and Microsoft Entourage.

How to open a PAB file?

If you are having trouble opening a PAB file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Microsoft Outlook, Microsoft Exchange Server and Microsoft Entourage are recognized as the most popular software solutions for dealing with PAB files. If you wish to install the latest release of Microsoft Outlook, visit the official Microsoft portal and download the edition that works on any operating system.

Once Microsoft Outlook is installed, the OS should configure it as the default tool for opening PAB files.

Set Microsoft Outlook as the default PAB handler

Setting a default program by file type in Windows

  1. Right-click on your PAB file and choose the "Open With" option. Then click "Choose another app" to continue the process;
  2. In the pop-up window, find and select the Microsoft Outlook application from the available options;
  3. Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening PAB files.

Choose an app to open a file on Mac

  1. Right click or use Control + left click on the desired PAB file to launch the file options menu;
  2. Select "Open in application" and click "Other";
  3. Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
  4. In this menu, select "All Programs" and search for Microsoft Outlook. Check the box next to "Always open in app" to make it the default option.

How to edit a PAB file?

Editing PAB files requires installing professional software that lets you open and edit email program files. Online editors have more limitations compared to dedicated Personal Address Book programs.

List of Top PAB editors 2026

According to these factors, we have compiled a list of available PAB editors.

PAB Editor SoftwareDeveloperPlatformsOverall Rating
Microsoft Exchange ServerMicrosoftWindows4.9 out of 5 (38 reviews)
Microsoft OutlookMicrosoftWindows, Mac OS4.8 out of 5 (43 reviews)

Effective solutions for PAB file problems

If PAB files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What are the possible solutions to recover a corrupt PAB file?

Start a data recovery program and open the damaged PAB file. Go to the menu and select the "Repair" option to repair the file. Allow the recovery process to complete, which will automatically repair the damaged email program files.

Are there any symptoms that my PAB file is damaged?

Corrupted PAB email program files may show the following signs:

  • Opening the file in Microsoft Outlook or other programs causes them to hang or crash;
  • Error dialogs are displayed when interacting with the file;
  • Opening the file results in an error or a failed attempt;
  • Unexpected expansion of the total size of the PAB file;
  • Editing the archive in Microsoft Outlook is accompanied by slow performance or delays;

What are the possible causes of Microsoft Outlook crashing?

The absence of software updates can cause Microsoft Outlook to crash. It is recommended to install the latest available updates for Microsoft products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.