What eBook Format does Kindle use-Apex Solutions Limited

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What eBook Format does Kindle use-Apex Solutions
Limited
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The AZW and AZW3 extensions are the proprietary
eBook formats from Amazon. Although its never
been officially confirmed, AZW and AZW3 format
are similar to the MOBI format also known as
Mobipocket, Developed by a French company in the
year 2000 and later acquired by Amazon in 2005.
AZW is the first version, and was released in
2007 along with the first Kindle, Whereas AZW3
also called KF8 was introduced along with the
Kindle Fire reader in 2011, AZW3 has more
advanced features than AZW. It supports more
styles, fonts, layouts and also supports HTML5
and CS3. https//apexsolutionsltd.co.in/publishin
g-glossary/what-ebook-format-does-kindle-use/