This guide would show you how to convert ACSM to ePub online and offline with different ACSM to ePub converter tools. You could get a practical ACSM to ePub online converter and an offline ACSM to ePub converter here. As well, some basic information about ACSM file will be introduced so as to let you better understand ACSM file and converting ACSM to ePub.

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Part 1: Brief Introduction to ACSM File

A file with the .ACSM file extension is an Adobe Content Server Message file. It's used by Adobe Digital Editions (ADE) to activate and download Adobe DRM protected content. ACSM file is actually not an eBook file but only contains information that communicates with Adobe's server to authorize you to download the eBooks you've purchased on different devices under the same Adobe Digital Editions account.

Log in Adobe Digital Editions app

Since it's not a real eBook file, you actually couldn't open ACSM files on devices other than those with Adobe Digital Editions app. Adobe Digital Editions is used to open ACSM files on Windows, macOS, Android, and iOS devices. When the book is downloaded on one device, it can be downloaded to any other device that's using Adobe Digital Editions under that same user ID.

Since ACSM files are not eBooks, you need to firstly turn ACSM files into eBook files within Adobe Digital Editions. Follow the below steps to learn how to turn ACSM files into eBook files:

Step 1: Install Adobe Digital Editions (ADE).

Step 2: Register with your Adobe account.

Step 3: Drag the .ACSM file into ADE.

Step 4: ADE would convert ACSM to EPUB.

Step 5: Use EPUB DRM Removal to remove DRM from the EPUB.

Now, you've got your ACSM files in EPUB format. These ePub files sometimes are DRM protected. You need to remove the DRM protection upon these ePub files and then convert to non-DRM ePub files.

Part 2: How to Convert ACSM to ePub Online?

If you have DRM-free ACSM file, you could turn to online ACSM to ePub converter to convert DRM-free ACSM file to ePub online for free. The below guide takes for example to show you how to convert ACSM file to ePub online.

ACSM to ePub Online

Follow the below steps to learn how to convert ACSM file to ePub online:

Step 1: Open page.

Step 2: Click the "Choose Files" button to choose the ACSM file from your local drive. You could also directly copy ACSM file link or add from Dropbox and Google Drive as you like.

Step 3: Under the "Original settings" frame, do essential settings. Under "Target eBook reader"

Step 4: Under the "Save settings" frame, enter a name.

Step 5: Finally, click the "Start conversion" button to start converting ACSM file to ePub format. Once the converting finishes, you will be given a download link. Click to download the converted ACSM file to your local drive.

Now, you have successfully converted ACSM file to ePub online with this ACSM to ePub online converter.

Part 3: Other Converters to Convert ACSM to ePub Online

Have ever used online-convert? Apart from online-convert, there are also other websites offering same features for you to convert ACSM to ePub online. You can check them in the following list:

1. Anyconv

AnyConv is an online tool to convert files format easily. Documents, images, spreadsheets, e-books, archives, presentations, audio, video - over 400 different formats are supported. Since AnyConv works online in a web browser, software installation is not required. Multilingual interface is also available.

2. Convertio

Convertio is a website offering different conversion such as audio converter, video converter, ebook converter, etc. It's a browser-based tool which enables you to convert ACSM to ePub in a browser. Cloud processing will accelerate the conversion and it won't take up storage space on your device. It can be accessed anytime, anywhere.

However, we should know that there are some limitations of online ACSM to ePub converter tools, including:

1. DRM removal failure: most online ACSM file to ePub converters online don't support DRM removal.

2. Require you to register. Some tools even require you to upgrade to Pro version, which will cost your cash.

3. You could only convert one file at a time.

Therefore, we need some other more powerful ACSM file converter to convert ACSM file to ePub or other formats. The below content would show you the best ACSM to ePub converter and how to convert ACSM file to ePub.

Part 4: How to Convert ACSM to ePub with Prof. DRM?

Leawo Prof. DRM could help you convert ACSM file to ePub format with ease once you've added your ACSM files into ADE. It is a professional DRM removal program that could remove DRM protection upon Adobe Digital Editions eBooks and then convert Adobe Digital Editions eBooks to DRM-free ePub, PDF, Mobi, and other formats. It is the best ACSM to ePub file converter you could get in the market. You could easily convert all ACSM files in Adobe Digital Editions to ePub at the same time.

The following guide would show you how to convert ACSM file to ePub eBook with Leawo Prof. DRM. You need to firstly download and install Leawo Prof. DRM on your computer.

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Step 1: Log in Adobe Digital Editions

Make sure you've installed ADE (Adobe Digital Editions) on your computer and added the ACSM files into your ADE. Launch Adobe Digital Edition software on your computer and log in with your account.

Log in Adobe Digital Editions app

Note: If the ACSM files can not be opened normally, you may click the right mouse, select "Open With"– "Adobe Digital Editions". When Adobe Digital Editions runs, it will download the corresponding substantial eBook files contained in the ACSM file automatically. You need to make sure that your computer is connected to the internet in this whole process. If the network is cut off halfway, you need to re-download.

Step 2: Add ACSM files from Adobe Digital Editions

Launch Leawo Prof. DRM and then click the "Add File" button on the interface. On the left sidebar, you could see an "Adobe" tab, which includes all eBooks on your ADE. Choose the ACSM files you would like to convert to ePub.

Add Adobe eBooks

Step 3: Set output format

Click the pencil icon in each loaded eBook title and then choose ePub as output format. For time saving, check "Apply to all eBook files" option.

Set output format