A daily updated filename extension database!

ACS file extension

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!

3 extension(s) and 0 alias(es) found in database

✅ Microsoft Agent Character

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.
Category: Data files
Application: MS Agent
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ACS aliases:
ACS related links:
ACS related extensions:
Microsoft Agent Character Animation

Microsoft Agent Character Data

Microsoft Agent Character Preview

Agent Animation List

✅ DB/TextWorks Access Control Special File

ACS file is a DB/TextWorks Access Control Special File. DB/TextWorks is a popular Windows database management and text retrieval system.
Application: DB/TextWorks
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ACS aliases:
ACS related links:
ACS related extensions:
DB/TextWorks Database Term and Word Index

DB/TextWorks Access Control File

DB/TextWorks Database

DB/TextWorks Textbase Structure Data

DB/TextWorks Database Directory

DB/TextWorks Database Indexed List

DB/TextWorks List of BTX Records

DB/TextWorks Database Deferred Update Directory

DB/TextWorks Primary Textbase Definition

DB/TextWorks Slot Log File

✅ AtariTools-800 Font Data

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.
ACS format description not yet available
Category: Font files
Application: AtariTools-800
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ACS aliases:
ACS related links:
ACS related extensions:
Commodore Amiga Sliced HAM Image

Commodore Amiga TVPaint Image

Commodore Amiga TurboSilver Image

Atari Falcon Prism Paint Image

Commodore Amiga Continuous Bitmap Image

SAM Coupe Bitmap Image

ZX Spectrum Multicolor Image

ZX Spectrum MultiArtist Image

Commodore Amiga Multi-palette Image

NEC PC-98 XLD4 Image

Other types of files may also use the .acs file extension.

🚫 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:

ac, ac5, acc, ace, acq, acw, acx, acz, ads, afs, as, asc, ass, avs, axs

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

AppCraft Project
Comma-Delimited ASCII File
GNU Autoconf Input File
CaseWare Working Papers Client File
ASCII Armored GPG/PGP File
Tablet Assembly Data
Agricultural Data Interchange Syntax File
Visual C# .NET Class
AcqKnowledge Data
AviSynth Script

🔴 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:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .acs file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. 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!

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