* EPUB: This is the most common eBook format and is supported by most e-readers.
* PDF: While not ideal for reading on a small screen, the Nook can handle PDFs, especially those optimized for reading on a device.
* Adobe DRM-protected EPUB (ePUB3): This allows you to purchase and download eBooks from stores like Barnes & Noble and read them on your Nook.
* Nook (Nook eBook): This is the proprietary format developed by Barnes & Noble specifically for their devices.
Note: The Nook does not support the following formats:
* MOBI (Kindle Format): This format is primarily used by Amazon Kindle devices.
* AZW3 (Kindle Format): This is a newer format specifically for Kindle devices.
It's important to note that the specific formats supported by a Nook e-reader may vary depending on the model and the firmware version. You can check the Nook's user manual or the Barnes & Noble website for more information.