Modern top editors now support converting your edited MOBI to KFX (Kindle Format 10) after metadata editing. This preserves custom fonts and enhanced typesetting. A full version edit isn’t complete until you ensure the file is future-proofed for newer Kindles.

Launch Calibre and click Add books (the green plus icon). Select the MOBI file you want to fix.

Once I have a better understanding of your requirements, I can start helping you craft a compelling story for your Mobi info edit full version.