I’ve used Apple Mail for years, but the recent addition of inbox categories was a mixed bag for me until I started using one hidden feature.

Apple Mail keeps getting new tricks, but it never quite solves the problems that made me leave in the first place. I’ve tried to make it work, but it’s always missing the little things I depend on.

A handful of Mac owners say they can't add Outlook accounts to Apple Mail after recent macOS updates, but the scope and cause of the problem remain murky. The reports in the Apple forums describe ...