format

KFX File Format A KFX file is an eBook format developed by Amazon for Kindle devices, introduced with Kindle Format 10 (KF10). Older Kindle devices use AZW and AZW3 (KF8) file formats. KFX enhances previous versions by offering improved content layout and presentation with features like: •...

In October 2024, U.S. digital audiobook sales grew by 18.7%, generating $86.5 million in revenue. Year-to-date, they increased by 26.1%, totaling $883.4 million. In contrast, physical audiobook sales declined significantly, down 54.2% for the month ($800,000) and 36.2%year-to-date ($7.4...