Do you mean bnefore you buy more Adobe enabled eReader devices?
If you have an issue with a current device, or with Digital Editions running on a PC or Mac, give more details and maybe someone can help.
Adobe reader could not open afther updated XI
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This is the Digital Editions forum.
Digital Editions is a program for reading DRM .epub and .pdf files (and for downloading them from .acsm token files).
Adobe Reader will only read non-DRM .pdf files.