If you’re using an iPhone and want to start a text conversation with someone using your computer, you can do so without having to transfer your number to your computer. Instead, you can use the Messages app on your iPhone to sign in to your IMessage account on your computer. This will allow you to continue the conversation on your computer, and you can even type longer messages than you can on your iPhone.

To sign in to your IMessage account on your computer, open the Messages app on your iPhone and tap the “Messages” tab at the top of …