AC_ File

What are AC_ files and how to open them

Are you having problems opening an AC_ file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AC_ file?

An .AC_ file is a CaseWare 2005 Compressed file.

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 AC_ files

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

While we have not verified the apps ourselves yet, our users have suggested 2 different AC_ openers which you will find listed below.

Last updated: June 13, 2013

Various apps that use files with this extension

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

CaseWare Working PapersCaseWare Working PapersUser submitted
CaseWareCaseWareUser submitted

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 AC_ file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.