How to pick adapters or docks extend your Mac to other displays

Many of us want one, two, or more external monitors connected to our Macs. Here’s what you need to know for modern models.
Displays preference panes icon
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Glenn Fleishman’s most recent books include Take Control of iOS & iPadOS Privacy and Security, Second Edition (covering iOS 15/iPadOS 15), Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.