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First, launch Outlook on your Mac from the Applications folder. Then in the top toolbar, go to Tools > Accounts.
Then select your account on the left, then go to click on Advanced.
In the window that pops up, select click on Delegates.
Under Delegates that can act in my behalf, click the Plus sign. Then
Now search for the person you’d like to share your calendar with and click Add.
In the Permissions window that pops up, select the permissions you would like to set. In this case, set the Calendar drop-down menu to Reviewer (Can read items). Set everything else to None. Check the box that says Send permissions summary. Make sure the box that says Delegate can see private items is unchecked. Then Click OK.
The person will then now show in the list of delegates on the page. You can Click the OK button to close the window and then close the Settings window to return to your Outlook main window.
They will receive an email with a permissions summary indicating that your calendar is shared with them. Have them follow the steps below to open the shared calendar.
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To open a shared calendar:
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