The email belongs to an external user who isn't part of your organization. The email address is a Microsoft 365 Group If you see a message that says This calendar can't be shared, there are three possible reasons. I see a 'This calendar can't be shared' error Once the recipient clicks Accept, they'll see your shared calendar in their calendar list. The person you've shared your calendar with will receive a sharing invitation by email. When you're done adding names in the Add Users dialog box, click OK.īack in the Calendar Properties dialog box, select the person's name or email address, then choose the level of details that you want to share with the person, then click OK.

You can search for people from your address book or type in their email addresses in the Add box.

In the Calendar Properties dialog box, click Add. Share your Microsoft 365 or calendar with people inside or outside your organizationįrom your Calendar folder, on the Home menu, select Share Calendar.Ĭhoose the calendar you want to share from the drop-down menu.

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