Definition
MOBI (and its successor AZW/KF8 formats) are Amazon Kindle ebook formats. Older workflows used MOBI uploads; current KDP primarily accepts EPUB or DOCX converted to Kindle format.
Example
A legacy conversion tool outputs MOBI for sideloading onto an older Kindle device.
Related terms
Common mistakes
- Assuming MOBI is still the required upload format for all current KDP titles.
- Confusing MOBI with EPUB and uploading the wrong file to non-Amazon stores.