A daily updated filename extension database!

AC file - How do I open a .ac file?

The table below provides useful information about the .ac file extension. It answers questions such as:

We hope you find this page helpful and a valuable resource!

2 extension(s) and 1 alias(es) found in database

✅ GNU Autoconf Input File

GNU Autoconf Input File .ac file icon
The AC file is a GNU Autoconf Input File. Autoconf is a tool for producing shell scripts that automatically configure software source code packages to adapt to many kinds of UNIX-like systems.
Category: Development files
Application: GNU Autoconf
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
AC aliases:
AC related links:
AC related extensions:
Assembly Source Code

C Source Code

C++ Source Code

Visual C++ Dialog

Fortran Source Code

C Header File

✅ CaseWare Working Papers Client File

CaseWare Working Papers Client File .ac file icon
The AC file is a CaseWare Working Papers Client File. Caseware Working Papers is a financial management and reporting software package.
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
AC aliases:
AC related links:
AC related extensions:
CaseWare Working Papers Compressed Client File

CaseWare Working Papers Layout Document

CaseWare Working Papers Script Page

CaseWare Working Papers Document

✅ AC3D Model

AC3D Model .ac3d file icon
The AC3D file is an AC3D Model. AC3D is a powerful, easy to use and affordable, professional 3D software design package. Available for Windows, Mac and Linux,
Category: Document files
Application: AC3D
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
AC3D aliases:
AC3D related links:
AC3D related extensions:
Rhino 3D Model

JT Open 3D Model

Romulus 3D Modeler Data

RenderWare 3D Model

OpenNURBS 3D Model

Hexagon 3D Model

Other types of files may also use the .ac file extension.

🚫 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:

ad, af, as, av, ax, ca, qc, wc, xc, zc

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

RSNetWorx Configuration
Final Draft AV v1 Document
ZipKey Settings
DirectShow Filter Plugin
Initial Telnet Cache
After Dark Screensaver

🔴 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ac file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ac file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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