“title has no available formats"
Calibre 3.8.0.
Symptom : After new install, and selecting an existing calibre library folder, and selecting an ePub file to view, receive error message : “title has no available formats.”
Most of the files in the library are unreadable.
Yet, these epub files can be read by any other ePub reader.
Why can't it recognize an ePub file as an ePub format?
What is the solution?
Note: The files are compressed as RAR files.
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