[SAFisher]

Originally Posted by itimpi

You cannot control the format of the file names Calibre uses to store books in its library. They are always in a fixed format based on the book author and title. There is a sticky discussing this.

You can control the format of file names when you export books from the Calibre library

Thanks for the answer. But it's one of the reasons for not using calibre. I need a long file names.