ODM files

The OverDrive app uses ODM files to open and download audiobooks that you've borrowed from your library's digital collection.

You'll need the OverDrive app to open an ODM file.

ACSM files

Adobe Digital Editions (ADE) and the OverDrive app use ACSM files to download DRM-protected ebooks.

You'll need ADE or the OverDrive app to open an ACSM file.

Last Updated: Nov 15, 2018 02:46PM EST