BREFF file format description

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

1 filename extension(s) found in our database.

.breff - Mario Kart Wii Effect Control Data

The BREFF game data files are related to Nintendo Wii. The BREFF file is a Mario Kart Wii Effect Control Data. The Wii is a home video game console released by Nintendo. Mario Kart is a kart racing game featuring several single and multiplayer modes.

Nintendo Wii
Game Data files
- / -
Mario Kart Wii Effect Control Data related extensions:
Mass Effect Player Profile Data
Panzer Corps Saved Core Army Data
Darkest Dungeon Animation Data
Need for Speed: Most Wanted Game Bundle Data
Infinity Engine Out-of-dialog Data
NASCAR Thunder 2004 Game Music Data

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

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

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Mario Kart Wii Effect Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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