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Old 01-10-2009, 10:50 AM   #19
wallcraft
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Posts: 6,975
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Join Date: Mar 2006
Location: Mississippi, USA
Device: Kindle 3, Kobo Glo HD
Quote:
Originally Posted by wmaurer View Post
I get a message saying “Invalid file format”.
This should only happen if the file does not have "BOOKMOBI" starting at byte 61, see Wiki: PDB. This should be the case for all recent MOBI's, but very early ones used to have "TEXtREAd" (i.e. they pretended to be PalmDOC ebooks).

Use a text editor to see what your ebook contains. If it has "TEXtREAd", did you download it recently? I am surprised no one has come across a "TEXtREAd" with DRM before now if they exist.

EDIT: My guess is that this ebook has "TEXtREAd", but it is not encrypted. So you don't need mobidedrm at all.

Last edited by wallcraft; 01-10-2009 at 10:55 AM.
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