Guide

1. Inside the main dashboard of your SharePoint site, go to the left-side panel and tap 'Site Contents'.

2. Browse the list and click the SharePoint calendar you wish to integrate.

3. After that, go to the top menu bar and tap 'Calendar'.

4. Finally, click the 'Connect to Outlook' option inside the Connect & Export tab to authorize the integration between the two Microsoft Apps. Make sure that you have the required access level to configure it on your end.