While Kindle has a variety of supported formats, not all can pass its software, including ACSM formats. DRM serves as a restriction to anyone who’ll try to distribute copies of the file illegally. The actual books from your ACSM files are encrypted with DRM. In fact, the only eReader software that Adobe permits to open an ACSM file is Adobe Digital Editions. Since ACSMs are made by Adobe it is obvious that they can only be using Adobe software. So why can’t you open an ACSM file on Kindle? That ACSM file will serve as an authorization link to the actual book allowing your device to download “a copy” of the book. Unlike what most people believe, ACSM only contains data to activate and download an eBook, and is not the eBook itself.įor example: When you download an eBook online what you are really downloading is an ACSM file, not an actual eBook.

It is a message file for a specific software namely, Adobe Digital Editions. Open ACSM File with Adobe Digital EditionsĪn ACSM file is a short abbreviation of Adobe Content Server Message. How to Convert ACSM for Reading on Kindle eReader.

Import books to kindle app