How to Assign Calendar Permissions to Another user in Outlook for iOS
1. Select the calendar to share by clicking the gear icon.

2. Add people and privileges from “My Organization”

3. Select a person by typing their name in the search field

4. From “Share Calendar,” select “Can View All Details.”

5. Then select a permission from the options:
a. “Can View”
b. “Can Edit”
c. “Delegate”

6. Select a share option:
a. “Only When I’m Busy”
b. “Only Titles and Locations”
c. “All Details”

Additional Instructions:
Open a shared calendar in Outlook for iOS