CFSD file format description

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

1 filename extension(s) found in our database.

.cfsd - Nintendo 3DS Mii Data

The CFSD data files are related to Nintendo 3DS. The CFSD file is a Nintendo 3DS Mii Data. The Nintendo 3DS is a portable game console produced by Nintendo.

Nintendo 3DS
Data files
- / -
Nintendo 3DS Mii Data related extensions:
QvodPlayer Data
Casio Prizm Add-in Language File
Windows Live Messenger Contacts Data
AutoCAD Electrical Project Ratings Data
Zuken E3.series Manufacturing Rule Library
Gaussian Z-Matrix Chemical Modeller Input Data

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

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

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

cfd, cfs, csd, cvsd, ffsd, fsd

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Casio WK-3000 User Scale Memory
Lucene Single Compound File
Nintendo Wii U Mii Data
CHI Storage Designer Document
Altair FEKO CADFEKO Workspace Data
FacetWin File Set Description

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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