What are ACS files and how to open them
Are you having problems opening an ACS 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 ACS file?
An .ACS file is a Microsoft Agent Character file.
These ACS files contain the Microsoft Agents created by Microsoft. Microsoft Agents combine animated characters, text-to-speech engines, and speech recognition to improve the interaction between users over the internet.
A great example of an Agent would be "Clippy the Office Assistant". Microsoft provided four characters that you could use for free, known as Peedy, Merlin, Genie, and Robby. You could even create your very own characters using Microsoft's development tools.
How to open ACS files
Important: Different programs may use files with the ACS file extension for different purposes, so unless you are sure which format your ACS file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested five different ACS openers which you will find listed below.
Last updated: February 9, 2023
Various apps that use files with this extension
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.
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