To unsubscribe from comment notifications on dropbox.com:
- Sign in to dropbox.com.
- Click on the file you want to disable comments on.
- Click … (ellipses) at the top of the preview.
- Click Unsubscribe from notifications.
To unsubscribe from comment notification in the mobile app:
- Open the Dropbox app.
- Tap the file you want to disable comments on.
- Tap the textbox that says Type a comment.
- In the upper left-hand corner, tap the bell icon. If it’s blue, that means you’re subscribed to notifications.