
However, it lacks some of the features other formats provide, including the ability to adjust font size and typeface. PDF - The PDF format can be viewed on almost any device without needing to install additional software.MOBI is an older file format and won't support the newest Kindle features for documents." - More info is available here. This change won't affect any MOBI files already in your Kindle library.

MOBI) files to your Kindle library using Send to Kindle.

" Note: Beginning in late 2022, you'll no longer be able to send MOBI (.AZW. Note: As of 2022, Kindle now supports EPUB formats and the Kindle app has a built-in “Send to Kindle” feature that works on most smartphone devices. It is also possible to view EPUB files on a PC by downloading an appropriate application. If you have an Android device, you can install an app that will let you view EPUB files. EPUB - The EPUB format is supported by most devices, including the Nook and the iPad (using iBooks).
