Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Logan is an experienced writer, producer, and editorial leader. As a journalist, he ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The dock can connect laptops to up to three external displays, but Mac users can only mirror what’s on their screen. The dock can connect laptops to up to three external displays, but Mac users can ...