Opening AT3P files
Did your computer fail to open an AT3P file? We explain what AT3P files are and recommend software that we know can open or convert your AT3P files.
What is an AT3P 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 AT3P 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 AT3P files will hopefully be added soon.
If you have information about AT3P 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 AT3P files. Since many different programs may use AT3P files for different purposes, you may need to try a few of the apps to open your specific AT3P file.