List current permissions on Calendar Folder:
Get-MailboxFolderPermission -identity “MAILBOX:\calendar”
Update permissions on Calendar Folder where user is already listed:
Set-MailboxFolderPermission -identity “MAILBOX:\calendar” -user USER -accessrights reviewer
Add a user to a calendar folder where they are not listed already:
add-MailboxFolderPermission -identity “MAILBOX:\calendar” -user USER -accessrights reviewer
| Permission Level | Mailbox Folder | Calendar Folder |
|---|---|---|
| None | Yes | Yes |
| Owner | Yes | Yes |
| PublishingEditor | Yes | Yes |
| Editor | Yes | Yes |
| PublishingAuthor | Yes | Yes |
| Author | Yes | Yes |
| NoneditingAuthor | Yes | Yes |
| Reviewer | Yes | Yes |
| Contributor | Yes | Yes |
| Custom | Yes | Yes |
| FreeBusyTimeOnly | No | Yes |
| FreeBusyTimeAndSubjectAndLocation | No | Yes |
Scott's space 