Connect it
1
Open Integrations
Click Integrations in the sidebar, then the Calendar section.
2
Connect
Choose Connect Microsoft Calendar. Sign in with the Outlook.com or
Microsoft 365 account whose calendar you want to read, then approve access
in your browser.
3
Choose which calendars count
Sync primary calendar only ignores events from calendars other people
have shared with you. Leave it on if shared calendars would otherwise fill
your meeting list with events you are not attending.