How To Give Calendar Permissions In Outlook 2025. The custom option in outlook calendar sharing and permissions allows you to specify the level of access you want to grant to others who view your calendar. In outlook, when right clicking on calendar and going to permissions tab, i am unable to give permissions to my colleagues.

This article describes how to share and access a calendar that can only be viewed. To grant calendar permissions to a specific user or group, log in to your outlook account, click on file > options > calendar security, and click on permissions.