To disable notifications on your desktop application:

  1. Click the Dropbox icon from your menu bar (Mac) or system tray (Windows/ Linux)
  2. Click the gear icon and from the menu select 'preferences...'
  3. Uncheck the boxes under 'Notify me about' to choose which notifications you'll receive. To disable all notifications uncheck them all

To disable notifications on an iOS device:

The Dropbox iOS app provides push notifications for your shared folder invitations, and when links are shared with you. To enable or disable these notification:

  1. Open your device's Settings
  2. Select Notifications
  3. Then make sure notifications are turned off for Dropbox