First, install Dropbox on your Mac. Learn more about how to download and install Dropbox on your Mac.

Save screenshot image to Dropbox

Click the [Dropbox] icon in the menu bar

Click the User icon

Basic settings for Dropbox

Do not save screenshot images to Dropbox

How to Take a Mac ScreenshotSummaryMac Save Screenshot to Clipboard and Copy and PasteMac Taking Screenshots without ShadowsMac Change File Format of Screenshot ImagesChange Mac Screenshot File NameSave Mac Screenshot Change Destination MacTake a Screenshot Including the Mouse PointerTake a Screenshot of the Mac Login ScreenTake a Screenshot of the Mac Screenshot/Turn Off Trash Sound EffectsMac ScreenshotsSave Images to DropboxMac Settings and UsageSummary