ATD File - opening and understanding

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

How to open ATD 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 ATD for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 18 different ATD openers which you will find listed below.

Various viewers for this file format

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

ATENA SYOKUNINATENA SYOKUNINUser submitted
ATENA SYOKUNIN PBATENA SYOKUNIN PBUser submitted
ATENA SHOKUNIN MOOK12ATENA SHOKUNIN MOOK12User submitted
AlphacamAlphacamUser submitted
ATENA SHOKUNIN MOOK13ATENA SHOKUNIN MOOK13User submitted
ATENA SHOKUNIN MOOK14ATENA SHOKUNIN MOOK14User submitted
ATENA SHOKUNIN MOOK10ATENA SHOKUNIN MOOK10User submitted
TRMTRMUser 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 yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!