FI1 File - opening and understanding
Did your computer fail to open a FI1 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .FI1 files.
What is a FI1 file?
The FI1 file extension indicates to your device which app can open the file. However, different programs may use the FI1 file type for different types of data.
While we do not yet describe the FI1 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 FI1 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 FI1 files
You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension FI1 for different purposes.
While we have not verified the apps ourselves yet, our users have suggested 1 different FI1 openers which you will find listed below.
Various viewers for this file format
These apps are known to open certain types of FI1 files. Remember, different programs may use FI1 files for different purposes, so you may need to try out a few of them to be able to open your specific file.