Calibre doesn't recognize .azw3 books

Breed92014 · 04-14-2012, 06:01 PM

I just purchased and downloaded a book "A Matter of Honor" by Jeffrey Archer and was surprised to see that calibre didn't recognize it. I see that it is an .azw3 book, but am not sure what that means.

Do the folks at calibre have any plans for supporting .az3 books?

Thanks much for your reply!

wallcraft · 04-14-2012, 07:42 PM

The .azw3 extension is for KF8 ebooks. Calibre does support these, since version 0.8.42. However, it (or perhaps 3rd party DRM-stripping plugins - make sure these are up to date if you are using them) may not recognize .azw3 as a "known" extension. If you rename to .mobi (or .azw), before import Calibre should handle it.

DiapDealer · 04-14-2012, 08:12 PM

Interesting. I've not run into any AZW3 KF8 books. All the KF8s I've come across have simply been AZW. Are the AZW3s being downloaded directly to Kindle devices or perhaps downloads to a PC from a user's library? The ones delivered to the Kindle apps seem to all be AZW. Just wondering if there's some sort of consistent rule here that can be determined?

wallcraft · 04-14-2012, 09:04 PM

Quote:

Originally Posted by DiapDealer

Interesting. I've not run into any AZW3 KF8 books. All the KF8s I've come across have simply been AZW. Are the AZW3s being downloaded directly to Kindle devices or perhaps downloads to a PC from a user's library? The ones delivered to the Kindle apps seem to all be AZW. Just wondering if there's some sort of consistent rule here that can be determined?

I downloaded to my PC from Amazon for USB transfer with a Kindle Fire as the target and got an .azw3. As you say, the same ebook (also KF8) accessed via K4PC still has the .azw extension.

DiapDealer · 04-14-2012, 09:35 PM

Thanks. Just curious. I don't have a device that I can download for that's KF8 capable, so that explains why I haven't come across one.

Breed92014 · 04-15-2012, 01:29 PM

Quote:

Originally Posted by wallcraft

The .azw3 extension is for KF8 ebooks. Calibre does support these, since version 0.8.42. However, it (or perhaps 3rd party DRM-stripping plugins - make sure these are up to date if you are using them) may not recognize .azw3 as a "known" extension. If you rename to .mobi (or .azw), before import Calibre should handle it.

Thanks for your help. Updating my plugins did the trick. I still would like for calibre to recognize the .azw3 extension, though, as it is an extra step to have to rename it to .azw before importing.

kovidgoyal · 04-15-2012, 02:50 PM

next release.

04-14-2012, 06:01 PM	#1
Breed92014 Enthusiast Posts: 26 Karma: 60 Join Date: Sep 2011 Device: Kindle 3	Calibre doesn't recognize .azw3 books I just purchased and downloaded a book "A Matter of Honor" by Jeffrey Archer and was surprised to see that calibre didn't recognize it. I see that it is an .azw3 book, but am not sure what that means. Do the folks at calibre have any plans for supporting .az3 books? Thanks much for your reply!

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Calibre doesn't recognize .pdb - what to do?	Isay	Calibre	16	01-10-2011 09:12 PM
Calibre doesn't recognize Nook after update.	bearymore	Calibre	10	12-04-2010 12:19 PM
Calibre Doesn't Recognize Reader	ted13b	Calibre	4	11-20-2010 10:12 AM
eReader doesn't recognize books	gailfus	Reading and Management	3	01-03-2009 08:05 PM
Calibre 0.4.56 doesn't recognize Reader	rhadin	Calibre	44	07-10-2008 08:53 PM

04-14-2012, 07:42 PM	#2
wallcraft reader Posts: 6,975 Karma: 5183568 Join Date: Mar 2006 Location: Mississippi, USA Device: Kindle 3, Kobo Glo HD	The .azw3 extension is for KF8 ebooks. Calibre does support these, since version 0.8.42. However, it (or perhaps 3rd party DRM-stripping plugins - make sure these are up to date if you are using them) may not recognize .azw3 as a "known" extension. If you rename to .mobi (or .azw), before import Calibre should handle it.

04-14-2012, 08:12 PM	#3
DiapDealer Grand Sorcerer Posts: 27,546 Karma: 193191846 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Interesting. I've not run into any AZW3 KF8 books. All the KF8s I've come across have simply been AZW. Are the AZW3s being downloaded directly to Kindle devices or perhaps downloads to a PC from a user's library? The ones delivered to the Kindle apps seem to all be AZW. Just wondering if there's some sort of consistent rule here that can be determined?

04-14-2012, 09:35 PM	#5
DiapDealer Grand Sorcerer Posts: 27,546 Karma: 193191846 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Thanks. Just curious. I don't have a device that I can download for that's KF8 capable, so that explains why I haven't come across one.

04-15-2012, 02:50 PM	#7
kovidgoyal creator of calibre Posts: 43,843 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	next release.

Advert

Advert