>> AC7 file

AC7 file format description

Many people share .ac7 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ac7 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ac7 files.

1 filename extension(s) found in our database.

.ac7 - Casio WK-3000 AC7 Rythm Data

The AC7 audio files are related to Casio Data Manager. AC7 file is a Casio WK-3000 AC7 Rythm Data. The Casio WK-3000 is a portable music keyboard, manufactured by Casio.

Casio Data Manager
Audio files
- / -
Casio WK-3000 AC7 Rythm Data related extensions:
Portable Sound Format Library
GSF Instrument Samples Data
Game Boy Advance GSF Song
Miniature Portable Sound Format Data
Sound Designer 2 Sound
Sound Designer 2 Audio

Naturally, other applications may also use the .ac7 file extension. Even harmful programs can create .ac7 files. Be especially cautious with .ac7 files coming from an unknown source!

Can't open a .ac7 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 .ac7 file extension is often given incorrectly!

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

ac, aci, acu, ca7

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ACUCOBOL-GT Compiled Program
GNU Autoconf Input File
CaseWare Working Papers Client File
STABCAL Calculation Data

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

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If you have useful information about the .ac7 file format, then write to us!

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