ATM File - opening and understanding

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

What is an ATM file?

An .ATM file is a TerraGen Light and Atmosphere file. These ATM files contain the CG environments created in Terragen, a software developed to create and render realistic environments. You use Terragen to create whole planets with natural and beautiful views, control the weather and the light, and add houses and plants to build your ideal world. Terragen has Photo-reak Clouds, Ozone Simulation, Ray-traced Preview, New Shaders and Enhancement, and more.

How to open ATM 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 ATM for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 5 different ATM openers which you will find listed below.

Other file formats using extension .ATM

While TerraGen Light and Atmosphere is a popular type of ATM-file, we know of 2 different uses of the .ATM extension.

The ATM file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an ATM opener may not be able to open all kinds of ATM files. In this case, look through both formats to make sure you find the best suited ATM viewer.

Vue D'Esprit 4 Atmosphere Preset

Through our analysis of ATM files, we know that one use of the format is Vue D'Esprit 4 Atmosphere Preset. 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.

While we have not verified the apps ourselves yet, our users have suggested 5 different ATM openers which you will find listed below.

Various viewers for this file format

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

AutoMapa PC/TabletPCAutoMapa PC/TabletPCUser submitted
ECAD dioECAD dioUser submitted
AlphacamAlphacamUser submitted
ECAD/dioECAD/dioUser submitted
AKSys ApplicationAKSys ApplicationUser submitted
We have not verified any software that we know for certain will work with ATM-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 ATM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!