: You can encrypt your collection with a password to keep your personal library private. How to Open and Use Your eBooks
You cannot read a .7z file directly on a Kindle or iPad. You must first "extract" the books inside: Encrypting and decrypting archives with 7-Zip - Red Hat eBooks.7z
: It keeps series or entire genres together in one file, which is helpful for scripts and tools that manage libraries . : You can encrypt your collection with a
Digital libraries can get bulky, especially if they include image-heavy content like comics, manga , or art catalogues. Using the 7z format offers several advantages: eBooks.7z