ACR File

What are ACR files and how to open them

Are you having problems opening an ACR file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ACR files.

What is an ACR file?

ACR files have multiple uses, and Adobe ACR Sidecar Mask Data is one of them. Read more about the other uses further down the page.

Adobe ACR Sidecar Mask Data

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ACR files

Important: Different programs may use files with the ACR file extension for different purposes, so unless you are sure which format your ACR file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different ACR openers which you will find listed below.

Last updated: July 30, 2023

All known file formats using extension .ACR

While Adobe ACR Sidecar Mask Data is a popular type of ACR-file, we know of 2 different uses of the .ACR file extension. Different software may use files with the same extension for different types of data.

American College Of Radiology File

We know that one ACR format is American College Of Radiology File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of ACR files. Remember, different programs may use ACR files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about ACR file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.