- Under Add a backup, select the computer or external hard drive you’d like to back up.
- Click Let’s get started (computer) or Back up [drive name] (external hard drive).
- Check the boxes next to the folders you’d like to back up.
- Click Set up or Back up.
- If you’re on a Mac, click OK when prompted to give Dropbox permission to access your folders.
You can use your computer normally while the back up is in progress.
If any files or folders fail to back up, they’ll appear in your sync error queue. To view those files:
- Click ☑ (Dropbox) in your taskbar (Windows) or menu bar (Mac).
- Click your avatar (profile picture or initials) in the top-right corner.
- Click View sync issues.
Learn more about troubleshooting sync issues.