(registered 2016-07-01, last updated 2016-07-01) Media type name: application Media subtype name: vnd.amazon.mobi8-ebook Required parameters: N/A Optional parameters: N/A Encoding considerations: binary Security considerations: The security issues associated with this type have not been assessed. Interoperability considerations: As this is not an open standard, interoperability is left up to the discretion of the developer, Amazon.com, inc. Published specification: The specification has not been published at this time. Applications which use this media: Amazon's Kindle application and other e-book software such as Calibre. Fragment identifier considerations: N/A Restrictions on usage: N/A Provisional registration? (standards tree only): N/A Additional information: 1. Deprecated alias names for this type: application/x-mobi8-ebook 2. Magic number(s): none 3. File extension(s): .azw3 4. Macintosh file type code: N/A 5. Object Identifiers: N/A General Comments: Person to contact for further information: 1. Name: Kim Scarborough 2. Email: user&unknown.nu Intended usage: Common Intended for packaging of e-books. Author/Change controller: Amazon.com, Inc. 410 Terry Ave N Seattle, WA, 98109-5210