Quote:
Originally Posted by wmaurer
I get a message saying “Invalid file format”.
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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.