Quote:
Originally Posted by billmandy
Why AZW3?
I use a 2019 Paperwhite. Why AZW3 instead in of MOBI?
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Because azw3 is a newer format that offer more formatting options? Trivial items such as being able to specify image widths in percent instead of being forced to use pixels. Mobi is a old format dating back to 2000. Amazon made some small changes after purchasing Mobipocket but that development pretty much died in 2011 when Amazon moved to AZW3 as their primary format.
About the only advantage of a .mobi file is being able to email it to your Kindle.
BTW, where did you get a 2019 Paperwhite? The last version of the Paperwhite I am aware of was the Paperwhite 4 introduced in 2018.