CMO3 file format description

Many people share .cmo3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmo3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmo3 files.

1 filename extension(s) found in our database.

.cmo3 - Live2D Cubism 3 Model Data

The CMO3 data files are related to Live2D Cubism 3. The CMO3 file is a Live2D Cubism 3 Model Data. Live2D Cubism 3 is a software tool for creating animation from a single static 2D illustration.

Live2D Cubism 3
Data files
- / -
Live2D Cubism 3 Model Data related extensions:
Wonderware QI Analyst Data
Adobe Premiere Motion Graphics Template
Novell NetWare 4 Data
Stardock WindowsBlinds Substyles
eXtendable Wad Editor LWAV Data
Lotus Notes 5 Database

Naturally, other applications may also use the .cmo3 file extension. Even harmful programs can create .cmo3 files. Be especially cautious with .cmo3 files coming from an unknown source!

Can't open a .cmo3 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 .cmo3 file extension is often given incorrectly!

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

cm3, cmo, mo3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CaseMap 3 Data
MO3 Audio
OCaml Compiled Bytecode
3DVIA Virtools Behavioral Server Composition
Visual3D C-Motion Output Data
Spanish Whiz Audio Data

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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If you have useful information about the .cmo3 file format, then write to us! >> CMO3 file