ACS file: How can I open a .ACS file?
The table below provides useful information about the .acs file extension. It answers questions such as:
- What is the .acs file?
- What program do I need to open a .acs file?
- How can the .acs file be opened, edited or printed?
- How can I convert .acs files to another format?
We hope you find this page helpful and a valuable resource.
✅ Microsoft Agent Character

The ACS file is a Microsoft Agent Character Data. Microsoft Agent is a software technology that enables an enriched form of user interaction that can make using and learning to use a computer, easier and more natural. The Microsoft Agent Data Provider supports loading character data stored either as a single structured file (ACS) with character data and animation data together or as separate character data (ACF) and animation (ACA) files.
✅ DB/TextWorks Access Control Special File

The ACS file is a DB/TextWorks Access Control Special File. DB/TextWorks is a popular Windows database management and text retrieval system.
✅ AtariTools-800 Font Data

The ACS file is an AtariTools-800 Font Data. AtariTools-800 is a Windows toolkit dedicated to ATARI 400/800/XL/XE/5200/XEGS, includes Char-Editor, Char-Animator, PM Editor, DL and GR Editor.
✅ Hexen ACS Script

The ACS file is a Hexen ACS Script. Hexen: Beyond Heretic is a fantasy first-person shooter video game developed by Raven Software
✅ Vox Proxy Animated Character Data

The ACS file is a Vox Proxy Animated Character Data. Vox Proxy is a script-writing program which allows you to use 3-D talking animated characters in PowerPoint slide shows.
⚠ Be careful with .acs files.
It's important to know that the .acs file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .acs files. Be cautious when dealing with .acs files from unknown sources.
🚫 The .acs file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .acs file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .acs file
It means that the operating system does not have a default app associated with the .acs file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .acs file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .acs file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .acs file extension, write to us.