If you select The member and activity log (recommended), the team member will receive an email notification that you have accessed their account.
These options will vary slightly, depending upon whether your account has one or multiple team admins. If you click Change notification settings in the notifications window, you will have the option to select who receives notification that you have signed in as a team member. If you use sign in as user to access a team member's account, you will have the option to notify your team member that you have accessed their account. If you sign in as a team member who is on a legal hold, any files you create or edit while signed in as that user will not be included in the legal hold.To access a different Dropbox account (including your own), sign out of your team member's account.When you sign in as a user on your team, you will not be able to simultaneously access any other Dropbox account (including your own), whether in a new window or tab in your browser.This will help you avoid accidentally making changes to the wrong account later.
When you're done, be sure to click Sign out on the red banner at the top of the page. You'll then be taken to the account of the user you selected, where you can act on this user's behalf.
Keep a project moving while team members are away from the office.Organize a new employee's Dropbox account before they start.Team admins can access different team member accounts to:
Team admins can sign in to the account of anyone on their team.