@BetterRed gave you instructions with a screenshot on your other thread.
https://www.mobileread.com/forums/sh...d.php?t=313388
Again, note that you
cannot change the way Calibre stores the books inside its own library. This would only affect the filenames of ebooks exported using the Save to Disk function.
Basically, if you want filenames like this:
Pride and Prejudice - Jane Austen
Use this as the template:
Code:
{title} - {authors}
If you want filenames like this:
Jane Austen - Pride and Prejudice
Use this as the template:
Code:
{authors} - {title}