ACA file icon

ACA File Extension

Agent Character Animation Format
  • Developer
    Microsoft
  • Category
  • Popularity
    3.6 (5 votes)

What is ACA file?

ACA is a file extension commonly associated with Agent Character Animation Format files. Agent Character Animation Format format was developed by Microsoft. Files with ACA extension may be used by programs distributed for Windows platform. Files with ACA extension are categorized as Data Files files. The Data Files subset comprises 1326 various file formats. Users are advised to use Microsoft Agent software for managing ACA files, although 1 other programs can also handle this type of file. Software named Microsoft Agent was created by Microsoft Corporation. In order to find more detailed information on the software and ACA files, check the developer’s official website.

Programs which support ACA file extension

Below is a table that list programs that support ACA files. ACA files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support ACA file

How to open file with ACA extension?

Problems with accessing ACA may be due to various reasons. What is important, all common issues related to files with ACA extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Microsoft Agent

Install software to open ACA file Problems with opening and working with ACA files are most probably having to do with no proper software compatible with ACA files being present on your machine. This issue can be addressed by downloading and installing Microsoft Agent or different compatible program, such as Microsoft Agent Character Editor. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Microsoft Agent installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Check the version of Microsoft Agent and update if needed

Update software that support file extension ACAIf the problems with opening ACA files still occur even after installing Microsoft Agent, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Agent is available. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of Microsoft Agent installed, it may not support ACA format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft Agent.

Step 3. Assign Microsoft Agent to ACA files

If you have the latest version of Microsoft Agent installed and the problem persists, select it as the default program to be used to manage ACA on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with ACA file on Windows

Change the default application in Windows

  • Clicking the ACA with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Microsoft Agent is installed, check the Always use this app to open ACA files box and conform your selection by clicking OK button
Associate software with ACA file on Mac

Change the default application in Mac OS

  • Right-click the ACA file and select Information
  • Open the Open with section by clicking its name
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with ACA extension. By clicking Continue you confirm your selection.

Step 4. Check the ACA for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the ACA file in question. It is probable that the file is corrupted and thus cannot be accessed.

Check ACA file for viruses
1. The ACA may be infected with malware – make sure to scan it with an antivirus tool.

If the ACA is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the ACA file is indeed infected follow the instructions below.

2. Ensure the file with ACA extension is complete and error-free

If you obtained the problematic ACA file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with ACA extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Agent Character Animation Format file.

4. Verify that your device fulfills the requirements to be able to open Microsoft Agent

If the systems has insufficient resources to open ACA files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Agent Character Animation Format file. It may be the case that the ACA files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the ACA file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ACA file.

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