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CDO File Extension

The CDO file extension was created by NCH Software and is also known as the Crescendo Music Notation File. CDO is classified as a Audio Files and This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open CDO files in NCH Crescendo Music Notation Editor program.

Crescendo Music Notation File Type

Crescendo Music Notation File Type
Extension .cdo
Developer NCH Software
Popularity 5.0 (9 Votes)
Mime Type text/x-c
Default Program NCH Crescendo Music Notation Editor
Category Audio Files
Format Binary
Updated 7/1/2025

What is a CDO File Type?

The CDO files can be exported to MID files in the Crescendo software.

Free Online CDO Tools & Apps

Access powerful and secure free online CDO tools to convert, view, edit, merge, split, and compare CDO files — all without installing any software. Our tools support the .CDO (Crescendo Music Notation File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your CDO files directly from your device with ease.

CDO Files Common Issues

There are few common issues with the Crescendo Music Notation File .CDO File Extensions while opening the .CDO files on Windows and MacOs, we have solution to those issues such as:

Can't Open CDO Files?

  1. You must have supported software programs installed for Crescendo Music Notation File on your system such as NCH Crescendo Music Notation Editor.
  2. Associate default Nch Crescendo Music Notation Editor NCH Crescendo Music Notation Editor program for *.cdo (Crescendo Music Notation File) files.

    Associate CDO Default Program on Windows
    1. Right-click a *.CDO (e.g example.cdo) file and click Open With.
    2. In the Open with dialog box, click Nch Crescendo Music Notation Editor NCH Crescendo Music Notation Editor program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .cdo files.

Related CDO File Extensions

CDO default file extension is .CDO and other similer related extensions are:

All Platform Software Programs for CDO File Extension

List of all softwares that can open the CDO files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open CDO File on Windows

Software License Developer
NCH Crescendo Music Notation Editor image. NCH Crescendo Music Notation Editor 000 for Windows Free NCH Crescendo Music Notation Editor

MacOs logo image - FileProInfo.comOpen CDO File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen CDO file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen CDO file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen CDO file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen CDO file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

CDO file extension icon image.About CDO - Crescendo Music Notation File

FileProInfo is to help you understand about the Crescendo Music Notation File with *.CDO suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for CDO. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for CDO, please let us know.

Updated 7/1/2025