To connect your Salesforce calendar to FreeBusy:

1. Go to sign up.
   Or link new calendar if you’re already signed in.
2. Provide the email address associated with your Salesforce calendar.
3. FreeBusy will try to detect your calendar provider, or you can also pick Salesforce manually.
4. Indicate if your account is in a sandbox environment (not typical).
5. Click Sign in and authorize FreeBusy to access your calendar.