KAB File Extension

What is KAB file?

KAB is a file extension commonly associated with KMail Address Book Format files. KAB file format is compatible with software that can be installed on Linux system platform. KAB file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The most popular software that supports KAB files is KMail - Mail Client. Software named KMail - Mail Client was created by KDE e.V. In order to find more detailed information on the software and KAB files, check the developer’s official website.

Programs which support KAB file extension

Below is a table that list programs that support KAB files. Files with KAB suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 12/31/2019

How to open file with KAB extension?

Problems with accessing KAB may be due to various reasons. Fortunately, most common problems with KAB files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install KMail - Mail Client

The most common reason for such problems is the lack of proper applications that supports KAB files installed on the system. The solution to this problem is very simple. Download KMail - Mail Client and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading KMail - Mail Client installed is by going to developer’s website (KDE e.V) and downloading the software using provided links.

Step 2. Check the version of KMail - Mail Client and update if needed

You still cannot access KAB files although KMail - Mail Client is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that KMail - Mail Client cannot handle files with KAB may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using KMail - Mail Client.

Step 3. Associate KMail Address Book Format files with KMail - Mail Client

If the issue has not been solved in the previous step, you should associate KAB files with latest version of KMail - Mail Client you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the KAB file
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where KMail - Mail Client is installed. Now all that is left is to confirm your choice by selecting Always use this app to open KAB files and clicking OK.

The procedure to change the default program in Mac OS

• Right-click the KAB file and select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with KAB extension. By clicking Continue you confirm your selection.

Step 4. Check the KAB for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper KAB file. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the KAB in question is not infected with a computer virus

If the KAB is indeed infected, it is possible that the malware is blocking it from opening. Scan the KAB file as well as your computer for malware or viruses. If the KAB file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the KAB file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with KAB extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the KMail Address Book Format file again.

4. Check whether your system can handle KMail - Mail Client

If the system is under havy load, it may not be able to handle the program that you use to open files with KAB extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with KMail Address Book Format files. It is possible that one of the available system or driver updates may solve the problems with KAB files affecting older versions of given software.

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