How to open ATD files

Did your computer fail to open an ATD file? We explain what ATD files are and recommend software that we know can open or convert your ATD files.

What is an ATD file?

The ATD file extension indicates to your device which app can open the file. However, different programs may use the ATD file type for different types of data.

While we do not yet describe the ATD file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about ATD files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic ATD

These apps are known to open certain types of ATD files. Since many different programs may use ATD files for different purposes, you may need to try a few of the apps to open your specific ATD file.

AlphacamAlphacamUser submitted
TRMTRMUser submitted
ATENA SYOKUNINATENA SYOKUNINUser submitted
ATENA SYOKUNIN PBATENA SYOKUNIN PBUser submitted
ATENA SHOKUNIN MOOK12ATENA SHOKUNIN MOOK12User submitted
ATENA SHOKUNIN MOOK13ATENA SHOKUNIN MOOK13User submitted
ATENA SHOKUNIN MOOK14ATENA SHOKUNIN MOOK14User submitted
ATENA SHOKUNIN MOOK10ATENA SHOKUNIN MOOK10User submitted
ATENA SHOKUNIN MOOK8ATENA SHOKUNIN MOOK8User submitted
Eureka's Family TreeEureka's Family TreeUser submitted
Agelong TreeAgelong TreeUser submitted
ATENA SHOKUNIN MOOK11ATENA SHOKUNIN MOOK11User submitted
AniTunerAniTunerUser submitted
Shape Software ATOMSShape Software ATOMSUser submitted
ATENA SYOKUNIN PB2ATENA SYOKUNIN PB2User submitted
ATENA SHOKUNIN MOOK4ATENA SHOKUNIN MOOK4User submitted
ATENA SHOKUNIN MOOK15ATENA SHOKUNIN MOOK15User submitted
AIM KeysAIM KeysUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with ATD-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with ATD-files. If you know one, please use the Suggest link below and tell us about it!