|  12-25-2020, 04:13 PM | #1 | 
| Junior Member  Posts: 1 Karma: 10 Join Date: Dec 2020 Device: Macbook Big Sur | 
				
				[MacOS] Calibre doesn't open
			 
			
			Calibre had been working very nicely. But I downloaded new version 5.8.1 on Macbook Air Big Sur.  I moved .dmg file.  Opened it. Moved Calibre to APPLICIONS and saw then it was transfered.  When I tried to open it, I get the Calibre Icon on my dock.  When I double click nothing happens. When I right click, it gives "Options" (such as eep in dock), Show All Windows, Hide, Quite. Sometimes at the top t will say Application not responding. I've gone through this process several times. I am not technical and am old. Hope you can give easy to follow advice. Thanks. | 
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| Tags | 
| 5.8.1, big sur, open calibre | 
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