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Catalina 10.15.1

My Imac will not recognise mail it says: Mail Library cannot be read because its format requires a newer version of macOS.

Upgrade your Mac to a newer version of macOS to use Mail.


But it is the newest macOS 10.15.1


Please help

iMac 21.5", macOS 10.15

Posted on May 15, 2020 2:23 AM

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Question marked as Top-ranking reply

Posted on May 15, 2020 2:32 AM

macOS Catalina is now at 10.15.4 download the update from here,

https://support.apple.com/kb/DL2037?viewlocale=en_US&locale=en_US

once downloaded double-click to install.

6 replies

Catalina 10.15.1

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