When viewing an email in Outlook and there isn't a related record for the sender/recipient in Salesforce, Ebsta's side panel will prompt you to create a new record for them as below:
Alternatively, you can use the search function to type in a person's name who you wish to add to Salesforce.
1. Click Create New +
2. Select Master from the dropdown menu.
3. Salesforce will open in a new browser tab and a New Contact window will automatically be open for you to complete in the usual way.