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!
Various FI1 file openers, viewers, etc.
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.