The Outlook Desktop Version allows you to send a sharing invitation to other users so they can view your calendar in their own calendar list.
Outlook
Search for the user you wish to share your calendar via first and last name within the Search Field.
Note: You can add multiple users to share your calendar with
Can view when I'm busy: Users with this permission can only see which times you're available.
Can view titles and locations: Users with this permission will see your availability, the subject, and meeting location.
Can view all details: Users with this permission level will see all the details of your appointments.
Can edit: Users with this permission have full editing access to your calendar.
Once you have selected all of the users you wish to share with and adjusted their permissions click Share.
Once the recipient selects Accept, they will see your shared calendar in their calendar list.