ePub isn't an Adobe format. It's a defined standard. See
http://www.idpf.org/
But most publishers producing ePub format ebooks add Adobe DRM encryption to them. This combination of the ePub format with Adobe DRM is commonly referred to as "Adobe ePubs".
Quote:
Originally Posted by easterncoyote
Brian, I am so confused about this, and I would appreciate it if you or someone could clear it up for me. Is epub an Adobe format? Or does Adobe have its own kind of epub, and are there other kinds of epub? Thank you for any help.
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