C2A file format description

Many people share .c2a files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .c2a file can be edited, converted or printed with. On this page, we try to provide assistance for handling .c2a files.

1 filename extension(s) found in our database.

.c2a - Casio ClassPad II Add-in

The C2A other files are related to Casio ClassPad II. The C2A file is a Casio ClassPad II Add-in. The Casio ClassPad II (FX-CP400) is a graphic calculator with Computer-Algebra-System and a high resolution touchscreen colour display.

Casio ClassPad II
Other files
- / -
Casio ClassPad II Add-in related extensions:
MPQDraft Plugin
Cisco Unity Express Script
Renamed MS-DOS System File
Logomatic v2 Firmware
Mac OS X System Driver
DynSite Plug-in

Naturally, other applications may also use the .c2a file extension. Even harmful programs can create .c2a files. Be especially cautious with .c2a files coming from an unknown source!

Can't open a .c2a 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 .c2a file extension is often given incorrectly!

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

c2, c2w, c2x, ca, ca2, cea, cwa, d2a, s2a, v2a

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Castelware Inventory Audit Data
DATAIR FlexPlus Data
Core Animation Markup Language Data
Open Movement CWA Data
CLAN Conversation Analysis Data
Cybernet v2 Document

Operating systems

DataTypes.net 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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DataTypes.net >> C2A file