ACS File - opening and understanding

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

What is an ACS file?

Files that contain the .acs file extension are most commonly associated with older versions of the Microsoft Windows operating system. These files contain Agent character files, similar to the Microsoft Bob files that first introduced interactive application characters.

The ACS files are associated with the Windows OS Microsoft Agent feature, which has now been discontinued. These files contain animated characters that were created with the Microsoft Agent tool.

Microsoft Agent was a technology that was developed by Microsoft. The Agent application allowed for animated characters that were compatible with text-to-speech engines and speech recognition software. The software was a pre-installed component of the Microsoft 2000 operating system.

How to open ACS 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 ACS for different purposes.

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

Suggest another file format using extension ACS

While we know of one file format using the .ACS 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 .ACS file.

Various viewers for this file format

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

ECAD dioECAD dioUser submitted
ECAD/dioECAD/dioUser submitted
DriveSizeDriveSizeUser submitted
ActionDirectorActionDirectorUser submitted
AirCheckManagerAirCheckManagerUser submitted
We have not verified any software that we know for certain will work with ACS-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 ACS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!