There are 2 file types use the .ODM file extension:
1. OpenDocument Master Document
An ODM file is a master text document created by Apache OpenOffice Writer or another OpenDocument word processor. It contains several separate .ODT files that are joined together into one document. ODM files may also include a table of contents and an index.
You can open an ODM file in OpenOffice Writer (cross-platform) or LibreOffice Writer (cross-platform). To do so, selectfrom either program's menu bar and then open your ODM file.
You can also use OpenOffice Writer to export an ODM file as a single ODT file, after you've finished editing the ODM file. To do so, selectfrom the program's menu bar.
Updated: May 26, 2021
2. OverDrive Media File
Media file shortcut to a file located in the Digital Library Reserve, such as an audio book, eBook, or music file; processed by the OverDrive Media Console, which will download the actual media file when the ODM file is opened.
|OverDrive Media Console||Free|
Updated: January 28, 2008