How to open F11 files
Did your computer fail to open a F11 file? We explain what F11 files are and recommend software that we know can open or convert your F11 files.
What is a F11 file?
The F11 file extension indicates to your device which app can open the file. However, different programs may use the F11 file type for different types of data.
While we do not yet describe the F11 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 F11 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!
Update info Upload example file
Various F11 openers
These apps are known to open certain types of F11 files. Since many different programs may use F11 files for different purposes, you may need to try a few of the apps to open your specific F11 file.
 | Embird | User submitted |
 | FutureTax for NETFILE | User submitted |
 | FutureTax | User submitted |
 | FutureTax for EFILE | User submitted |
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.