Information about MOBI file format

Name MOBI
Full name MOBI - Mobipocket
File extension .mobi, .prc
MIME type application/x-mobipocket-ebook
Developed by Mobipocket SA
Type of format Ebook file format
Description Mobipocket SA is a French company incorporated in March 2000 that created the .mobi e-book file format and produces the Mobipocket Reader software for mobile phones, personal digital assistants (PDA) and desktop operating systems.
Technical details The Mobipocket e-book format is based on the Open eBook standard using XHTML and can include JavaScript and frames. It also supports native SQL queries to be used with embedded databases. The Amazon Kindle's AZW format is basically just the Mobipocket format with a slightly different serial number scheme, and .prc publications can be read directly on the Kindle. The Kindle AZW format also lacks some Mobipocket features such as JavaScript.
Associated programs Mobipocket Reader
Wiki https://en.wikipedia.org/wiki/Mobipocket