Opening EFFX files
Did your computer fail to open an EFFX file? We explain what EFFX files are and recommend software that we know can open or convert your EFFX files.
What is an EFFX file?
Every day users like you submit information to us about specific types of files, and which programs they use to open them.
While we do not yet have a description of the EFFX file format and what it is normally used for, we do know which programs are known to open these files. See the list of programs recommended by our users below.
We are constantly working on adding more file type descriptions to the site - the current count exceeds thousand by far, and more information about EFFX files will hopefully be added soon.
If you have information about EFFX files that you think will be helpful for others, please do use the Submit Info link below and we will add it to this page.
These apps are known to open certain types of EFFX files. Since many different programs may use EFFX files for different purposes, you may need to try a few of the apps to open your specific EFFX file.
|EfficientPIM Free||User submitted|
|Efficient Man's Organizer Free||User submitted|
|Efficient Man's Organizer||User submitted|