How to share your Outlook Calendar? Open https://outlook.office.com/calendar (If prompted to log in, please log in with the account which has the calendar you wish to share). Click on the three dots next to the calendar you wish to share (The three dots may only appear when the mouse is hovering over the calendar). Click on Sharing and Permissions. When the Sharing and Permissions pane appears, please enter the email address of the person you are sharing the calendar with (An automatic suggestion may appear for the person you wish to share with), once you have entered the full email address or an automatic suggestion appears, please click on the address/suggestion. Next, click on the drop-down button to select how much access is provided to the person you wish to share your calendar with. Finally, press the blue share button to send the sharing invite. Note: The recipient of the sharing invite will receive an email to accept the invitation, please see image below: