HubSpot's CRM works fully in its own web app, but sales reps spend most of their day in their email inbox, not a separate CRM tab. HubSpot extensions bridge that gap, logging emails automatically, showing contact details inline, and tracking when a prospect opens a message, all from Gmail or Outlook.
Logging emails to HubSpot automatically
HubSpot's Sales extension can log sent and received emails to the matching contact record automatically, so reps don't have to copy conversation details into HubSpot manually. This keeps a full communication history on each contact without extra data entry.
Tracking email opens and clicks
Email tracking shows when a prospect opens an email or clicks a link, giving reps a signal for when to follow up. This works by adding a tracking pixel to outgoing emails, which some recipients' email clients may block, so treat open data as an indicator rather than a guarantee.
Viewing contact and deal details inline
A sidebar extension can show a contact's HubSpot record, deal stage and recent activity directly inside Gmail or Outlook, so reps don't need to search for the contact in HubSpot separately before replying to an email.