How to open FB files

Did your computer fail to open a FB file? We explain what FB files are and recommend software that we know can open or convert your files.

What is a FB file?

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

We are aware of 2 different uses of the FB extension, which you can read more about below.

FastBack Plus setup

Through our analysis of FB files, we know that one use of the format is FastBack Plus setup. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

Update info Upload example file

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Slim! compressed archive

Through our analysis of FB files, we know that one use of the format is Slim! compressed archive. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

Update info Upload example file

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix FB files

These apps are known to open certain types of FB files. Since many different programs may use FB files for different purposes, you may need to try a few of the apps to open your specific FB file.