>> AC_ file

AC_ file format description

Many people share .ac_ files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ac_ file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ac_ files.

1 filename extension(s) found in our database.

.ac_ - CaseWare Working Papers Compressed Client File

The AC_ data files are related to CaseWare Working Papers. The AC_ file is a CaseWare Working Papers Compressed Client File. Caseware Working Papers is a financial management and reporting software package.

CaseWare Working Papers
Data files
- / -
CaseWare Working Papers Compressed Client File related extensions:
PANalytical Peak Data
Kallisto Transcript to Gene Data
Open Learning XML Data
Foxit Reader Library
RSView Machine Edition Graphics Display Data
UFS Explorer Compressed Image

Naturally, other applications may also use the .ac_ file extension. Even harmful programs can create .ac_ files. Be especially cautious with .ac_ files coming from an unknown source!

Can't open a .ac_ 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 can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ac_ file extension is often given incorrectly!

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

ac, ca_

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

GNU Autoconf Input File
CaseWare Working Papers Client File
Compressed Microsoft Cabinet File
AC3D Model

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .ac_ file format, then write to us!