ATP File

What are ATP files and how to open them

Are you having problems opening an ATP file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ATP file?

An .ATP file is an Atari 8-bit Protected Disk Image file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ATP files

Important: Different programs may use files with the ATP file extension for different purposes, so unless you are sure which format your ATP file is, you may need to try a few different programs.

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

Last updated: January 13, 2020

Various apps that use files with this extension

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
NCEDITNCEDITUser submitted
SSuite ImprovSSuite ImprovUser submitted
OmegaOffice HDOmegaOffice HDUser submitted
ATPATPUser submitted
SSuite Premium HDSSuite Premium HDUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about ATP file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.