ATP File - opening and understanding

Did your computer fail to open an ATP file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ATP files.

What is an ATP file?

An .ATP file is an Atari 8-bit Protected disk image file. Through our analysis of ATP files, we know that one use of the format is Atari 8-bit Protected disk image. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open ATP files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ATP for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 7 different ATP openers which you will find listed below.

Suggest another file format using extension ATP

While we know of one file format using the .ATP file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ATP file.

Various viewers for this file format

These apps are known to open certain types of ATP files. Remember, different programs may use ATP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

AlphaeditAlphaeditUser submitted
SSuite ExcaliburSSuite ExcaliburUser submitted
NCEDIT ApplicationNCEDIT ApplicationUser submitted
SSuite ImprovSSuite ImprovUser submitted
OmegaOffice HDOmegaOffice HDUser submitted
ATPATPUser submitted
SSuite Premium HDSSuite Premium HDUser submitted
We have not verified any software that we know for certain will work with ATP-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ATP-files. If you know one, please use the 'Suggest a program' link below and tell us about it!