In Exchange, you can share data with users from your organization with certain permission levels. It may apply to specific folders within mailbox, public folders, Sharepoint site or libraries. Moreover, it is possible to publish your calendar to the Internet with a limited level of permissions. Please find below the table describing Outlook permissions.

Role

Create
Items

Read
Items

Create
Subfolders

Folder
Owner

Folder
Contact

Folder
Visible

Edit
Own Items

Edit
All Items

Delete
Own Items

Delete
All
Items

None

  

  

  

  

  

X

  

  

  

  

Owner

X

X

X

X

X

X

X

X

X

X

Publishing Editor

X

X

X

  

  

X

X

X

X

X

Editor

X

X

  

  

  

X

X

X

X

X

Publishing Author

X

X

X

  

  

X

X

  

X

 

Author

X

X

  

  

  

X

X

  

X

  

Non-Editing Author

X

X

  

  

  

X

  X  

  

  

  

Reviewer

  

X

  

  

  

X

  

  

  

  

Contributor

X

  

  

  

  

X

  

  

  

  

Note:

  • Only users who create a folder can delete its subfolders. If users did not create a folder, they would not be able to remove its subfolders regardless of their permissions.
  • Only a user with Owner level permission to a subfolder can modify (for example, rename) or grant permissions to that subfolder.
  • For the rare cases when the built-in role does not fit the situation you can customize them for a folder in Outlook:
    • Folder owner: The owner has all permissions for the folder.
    • Folder contact: The folder contact receives automated messages from the folder such as replication conflict messages, requests from users for additional permissions, and other changes to the folder status.
    • Folder visible: Users can see the folder.
  • Users with permission levels starting with Contributor and higher can only create Meeting Requests in the shared calendar. If you want users to create Appointments you need to set default permissions for your Calendar as Editor.
  • Publishing calendars with the Editor permission level is restricted due to the nature of the shared hosted environment but you can choose from 3 levels below. For more information read the article on How To Publish A Calendar In Outlook/OWA
    • Availability Only shows Free, Busy, Tentative, or Away and time of items.
    • Limited Details show the time, subject, and location, but no other information.
    • Full Details show the time, subject, location, and other details of all items in your calendar.
  • Private appointments in a shared calendar cannot be viewed or modified by any users other than a mailbox Owner. The only way to allow other users to view private items is to grant them Delegate Access through Outlook with the option Delegate can see my private items enabled. For more information on Delegate Access read the Knowledge Base article on How To Enable And Use Send On Behalf Permissions In Outlook.