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