CALCA file format description

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

1 filename extension(s) found in our database.

.calca - Calca Document

The CALCA document files are related to Calca. The CALCA file is a Calca Document. Calca is an advanced symbolic calculator for iOS, OS X, and Windows that's as easy to use as a text editor.

Document files
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Calca Document related extensions:
Fax Cover Page
XMind Workbook
Hype Document
XBEL Bookmark
GeoGebra Tool
VRML Document

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

Can't open a .calca 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.

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

If you find the information on this page useful, please feel free to link to this page.

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