MOBI File

What are MOBI files and how to open them

Are you having problems opening a MOBI file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your MOBI files.

What is a MOBI file?

A .MOBI file is a Mobipocket format e-Book file.

Files containing the .mobi file extension most commonly contain digital ebooks saved in the Mobipocket binary eBook format.

The MOBI eBook file format supports standard HTML, and it is one of the Open eBook Publication formats for eBook distribution.

MOBI files may contain DRM copyright protection features. DRM features prevent unauthorized users from viewing or copying an eBook that is contained in the MOBI file.

The MOBI file format is commonly used for eBooks that are distributed for use on smartphones, PDAs, and the Amazon Kindle reading device or devices that support the Amazon Kindle software.

How to open MOBI files

We have identified four MOBI openers that are compatible with this specific type of MOBI file.

Programs that open Mobipocket format e-Book files

Last updated: January 22, 2025

Various apps that use files with this extension

These apps are known to open certain types of MOBI files. Remember, different programs may use MOBI files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about MOBI file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.