A1B File Type

- The quick facts

What are A1B files and how to open them

Are you having problems opening an A1B file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an A1B file?

The A1B file extension indicates to your device which app can open the file. However, different programs may use the A1B file type for different types of data.

While we do not yet describe the A1B 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 A1B 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!

How to open A1B files

Important: Different programs may use files with the A1B file extension for different purposes, so unless you are sure which format your A1B file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 4 different A1B openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of A1B files. Remember, different programs may use A1B files for different purposes, so you may need to try out a few of them to be able to open your specific file.