The email address you input must be the same as your ebook library account’s, otherwise you will fail to open your ACSM files.ģ. Though there are many options from the eBook Vendor dropdown list when authorizing your computer, but for 100% successfully adobe DRM removing, here I highly recommend you choose Adobe ID as the eBook Vendor.Ģ. To create an Adobe ID, provide your email address, a password of your choice, and other information. The adobe id allows the library user to download and open E-books that are DRM (Digital Rights Management) -protected. The first time you run ADE, you will be asked to authorize an Adobe ID, a user account that gives you access to all of Adobe’s services and web domains, including your ACSM files. Note: ACSM files can not be opened in either Adobe Acrobat or Adobe Reader and can only be opened in Digital Editions.