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Hello. I'd updated my macbook to the MacOS Catalina. Then, my microsoft office also been updated to the latest version which is Microsoft 365. This cause me to unable to save all my worksheet due to no license activation key. Is there any solution? will downgrading my MacOS to the previous version will settle this problem?
MacBook Air 13", macOS 10.15
As long as you had a backup, it shouldn't be any problem.
As long as you had a backup, it shouldn't be any problem.
Hello. can I downgrade my MacOs Catalina to the old version by formatting my macbook ?
