This guide explains how to change your email address associated with your Dropbox account on a PC or Mac in nine simple steps. First, log in to your Dropbox account on the web browser. Click on your profile photo at the top-right corner of the screen, and then click on Settings. Next, locate the Edit button next to your current email address under the Basics header. A pop-up window will appear, where you can enter your new email address. You will need to type it into the top two boxes to confirm and enter your password in the third box. Finally, click on Update email to complete the process. You will receive an email from Dropbox with a link. You have to click on the link to confirm the change.