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			 Junior Member 
			
			![]() Posts: 6 
				Karma: 10 
				Join Date: May 2024 
				
				
				
				Device: win10-22H2 
				
				
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			Can azw3 and mobi be like epub that does store annotations & highlighting internal to itself. Then the information does move with book. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	![]() How difficult is it to achieve technically. Can it be implemented?  
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		#2 | 
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			 creator of calibre 
			
			![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 45,609 
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				Join Date: Oct 2006 
				Location: Mumbai, India 
				
				
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			anything can be implemented, but its not worth the effort at least for me, patches welcome.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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