A_B File

Did your computer fail to open an A_B file? We explain what they are used for and recommend software that we know can open or otherwise handle your .A_B files.

What is an A_B file?

The A_B file extension indicates to your device which app can open the file. However, different programs may use the A_B file type for different types of data.

While we do not yet describe the A_B file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about A_B files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Various A_B file openers, viewers, etc.

These apps are known to open certain types of A_B files. Remember, different programs may use A_B files for different purposes, so you may need to try out a few of them to be able to open your specific file.

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Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!