Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .aca

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .aca file?
  • Which program can create the .aca file?
  • Where can you find a description of the .aca format?
  • What can convert .aca files to a different format?
  • Which MIME-type is associated with the .aca extension?
Microsoft Agent Character Animation .aca file icon

Microsoft Agent Character Animation

The ACA file is a Microsoft Agent Character. 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.
Detailed description not available
Category: Data files
Application: MS Agent
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Agent Character Data
Microsoft Agent Character
Microsoft Agent Character Preview
Microsoft Agent AAF Data

Other types of files may also use the .aca file extension. If you have helpful information about .aca extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Advanced Audio Coding Stream
CaseWare Working Papers Client File
AcqKnowledge Data
Accessibility Wizard Settings

The .aca filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

acw (1), ac (1), aa (1), xca (1), caa (1), axa (1), asa (1), ada (1), acx (1), acq (1), aac (1), zca (1), qca (1), ca (1), ava (1)

Can't open a .aca file?

If you want to open a .aca file on your computer, you just need to have the appropriate program installed. If the .aca association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.aca

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android