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ACSM File - What is an .acsm file and how do I open it?

Learn about .ACSM files and view a list of programs that open them.

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Overview

What is an ACSM file? An ACSM file is a message file served by the Adobe Content Server to Adobe Digital Editions, a program used to manage and read eBooks as well as other digital publications. It contains data used to activate and download an eBook. It does not contain the eBook itself. ACSM files are used to authorize, legally download, and read purchased eBooks in Digital Editions.

More Information Most Digital Editions users will not encounter an ACSM file. If you do find an ACSM file, it likely means one of your eBook downloads was interrupted. You can double-click your ACSM file to resume the download in Digital Editions. The ACSM file will be stored wherever your browser saves downloaded files. NOTE: Even if you use another eReader program, such as Kobo Desktop, you may still receive an ACSM file while downloading an eBook. If so, you must download the eBook using Adobe Digital Editions. After downloading the eBook, you can transfer its .EPUB file to your other eReader program.

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DeveloperAdobe Systems
Popularity3.3 | 146 Votes

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.ACSM File Extension

Adobe Content Server Message

DeveloperAdobe Systems
Popularity
3.3  |  146 Votes
 

What is an ACSM file?

An ACSM file is a message file served by the Adobe Content Server to Adobe Digital Editions, a program used to manage and read eBooks as well as other digital publications. It contains data used to activate and download an eBook. It does not contain the eBook itself. ACSM files are used to authorize, legally download, and read purchased eBooks in Digital Editions.

More Information

Most Digital Editions users will not encounter an ACSM file. If you do find an ACSM file, it likely means one of your eBook downloads was interrupted. You can double-click your ACSM file to resume the download in Digital Editions. The ACSM file will be stored wherever your browser saves downloaded files.

NOTE: Even if you use another eReader program, such as Kobo Desktop, you may still receive an ACSM file while downloading an eBook. If so, you must download the eBook using Adobe Digital Editions. After downloading the eBook, you can transfer its .EPUB file to your other eReader program.

How to open an ACSM file

You can open an ACSM file in Adobe Digital Editions (cross-platform). To do so, double-click the file, or right-click the file and select Open with... → Adobe Digital Editions . Digital Editions will then begin downloading the eBook associated with your ACSM file.

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Programs that open ACSM files

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Category: eBook Files

Updated: August 23, 2023

FAQ

What is an ACSM file?↓
An ACSM file is a message file served by the Adobe Content Server to Adobe Digital Editions, a program used to manage and read eBooks as well as other digital publications. It contains data used to activate and download an eBook. It does not contain the eBook itself. ACSM files are used to authorize, legally download, and read purchased eBooks in Digital Editions.
How do I open an .acsm file?↓
You can open an ACSM file in Adobe Digital Editions (cross-platform). To do so, double-click the file, or right-click the file and select Open with... → Adobe Digital Editions. Digital Editions will then begin downloading the eBook associated with your ACSM file.

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