RELATED: What Is an EPUB File (and How Do I Open One)?

Option 1: Kindle App

First, you’ll need to download the EPUB file onto your iPhone, iPad, or Android device and find it in the file manager app—commonly called “Files.”

Open the share menu and select the Kindle app.

On Android, the app will open with a list of all your Kindle devices. Select your eReader and tap “Send.”

On iPhone and iPad, you’ll need to toggle off “Save in Kindle Library” and then select your device before tapping “Send.”

A notification or pop-up will alert you that the eBook has been successfully sent to your Kindle. That’s it!

RELATED: How to Transfer Any eBook to Kindle Using Calibre

Option 2: Email

Every Kindle eReader comes with its own custom email address. You can transfer EPUB files to your device by sending them to this email address.

First, head on over to amazon.com/myk in a web browser on your PC or smartphone. Select the Kindle you want to use from the “Devices” tab and click the device name in the expanded menu.

On the next page, you’ll see the “@kindle.com” email address for your Kindle. You can select “Edit” to change the address if you’d like. Remember this email address.

Now, all there is to do is send an email to that address with your eBook file attached!

The eBook will be sent to your Kindle eReader. You can force the Kindle to check for new books by opening the home screen menu and tapping the “Sync” button.

You may need to wait a few minutes, but it shouldn’t take long for the book to appear in your Kindle Library.