Then I only had to 'convert individually' once - from MOBI to EPUB - and email it. Kind of convoluted, but it works.ĮDIT2: To save a step, I made my 'preferred output' MOBI so when the Kindle book is 'automatically added', it automatically converts to my preferred output. Then converted the MOBI to EPUB, then emailed the new EPUB and it worked fine - no failure email this time. I used the 'convert individually' feature and converted the EPUB to MOBI. Specs: calibre 5.14, deDRM 7.1.0, Oasis 9th GenerationĮDIT: I found the workaround here. If you would like immediate assistance, please contact customer support at +1-86 (US customers) or +1-20 (International customers). You can learn more about sending personal documents to your Kindle in our product info pages: If the format of the document that failed is supported (listed above), please ensure the document is not password protected or encrypted, and try sending it again. Later this year, we’ll also be adding EPUB support to the free Kindle app for iOS and Android devices and the Send to Kindle desktop app for PC and Mac. Īdditionally, Send to Kindle emails now supports EPUB (.epub). JPEG (.jpg), GIF (.gif), Bitmap (.bmp), and PNG (.png) images. mobi) (will not support the most up-to-date Kindle features for documents) Send to Kindle supports the following document formats:Īrchived documents (zip, x-zip) and compressed archived documents The following document, sent by you at 08:30 PM on Mon, GMT, could not be delivered to the address you specified: I went back into Calibre and converted it to EPUB, then re-sent the book in the EPUB format to that Kindle device. It suggested sending an EPUB file instead.

However I received the “starting August 2022, you’ll no longer be able to send MOBI” email from Amazon after I did that. This worked perfectly as it always has for the last 5 years or so.

I then sent the book to another Kindle device using Calibre. Hello!I bought a Kindle book from Amazon, then I “download & transfer via USB”, opened Calibre and let it deDRM and convert the book to MOBI.

Amazon kindle bookstore