How to get the fastest response
Include your account email (so we can find your record), a clear subject line ('Sync stalled on iOS' is better than 'Help'), and any error messages or screenshots. For sync or extension bugs, mention browser version and OS, saves at least one back-and-forth.
For Premium and Pro customers, in-product chat (when signed in) routes directly to priority support with vault metadata pre-attached. Average first response under 4 hours during business hours.