Essential sessions
The oc_session cookie keeps your account session connected to the server. It is HttpOnly and uses SameSite=Lax. HTTPS installations mark it Secure. Logging out invalidates your session and clears the cookie.
Trusted devices
If you choose to trust a device during two-step verification, a separate device token remembers that choice for the configured period.
Preferences
The platform may use browser storage for theme and interface preferences. The public website does not install advertising or analytics trackers by default. A connected provider or business deployment may require additional disclosures.
Your choices
You can clear cookies and local storage through your browser. Clearing the session cookie signs you out. Visit Privacy for more about account and conversation data.