>> CDO file

CDO file format description

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

1 filename extension(s) found in our database.

.cdo - Crescendo Music Notation

The CDO document files are related to Crescendo Music Notation Software. CDO file is a Crescendo Music Notation. Crescendo is a free music score writing and composing software.

Crescendo Music Notation Software
Document files
- / -
Crescendo Music Notation related extensions:
Metathesaurus Rich Release Format Document
Compressed GEDCOM Document
Compressed Unicode GEDCOM Document
GEDCOM Document
DynaDoc Document
Family Tree Legends Document

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

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

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

cro, cod, cdk, vdo, fdo, cco, ddo, cxo, co, ceo, cdl, xdo, cdi, sdo, cd

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CropWat Data
CADKEY CAD Advanced Design Language File
Microsoft C Compiler Output
BlackBerry COD Archive
WindLDR Binary PLC Data
VDOLive Media

Operating systems

DataTypes.net 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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