The .mobi file is a Kindle document. Either plug your Kindle into your computer (it works just like a USB drive) and drop the .mobi into the documents folder, o

The .mobi file is a Kindle document. Either plug your Kindle into your computer (it works just like a USB drive) and drop the .mobi into the documents folder, or send it as an attachment to your Kindle's email address. (You can find your Kindle's address here: https://www.amazon.com/gp/digital/fiona/manage/#manageDevices https://www.amazon.com/gp/digital/fiona/manage/#manageDevice...)