Every time when our clients move to Office 365, especially if them previously had local Exchange infrastructure, the most help desk calls are related to access to shared calendars or mailboxes. For that task is very important to know which permissions exist and what is allowed with that permissions.

 

Mail folder permissions:

Owner – Create, read, modify, and delete all items and files, and create sub-folders. As the folder owner, you can change the permission levels others have for the folder. (Does not apply to delegates.)

None – You have no permission. You cant open the folder.

Contributor – Create items and files only. The contents of the folder do not appear. (Does not apply to delegates.)

Reviewer – Read items and files only.

Non-Editing Author – Full read details. Create items. Delete own items. Folder visible.

Publishing Editor – Create, read, modify, and delete all items and files, and create sub-folders. (Does not apply to delegates.)

Editor – Create, read, modify, and delete all items and files.

Publishing Author – Create and read items and files, create sub-folders, and modify and delete items and files you create. (Does not apply to delegates.)

Author – Create and read items and files, and modify and delete items and files you create.

Custom – Perform activities defined by the folder owner. (Does not apply to delegates.)

 

Calendar folder permissions:

 

None – User will be unable to view any information (including free/busy times).

Free/Busy time – Allows someone to view blocks of time as Free, Busy, Tentative, Away.

Free/Busy time, subject, location – Allows someone to view your Subject and Location. Events set to private will only display as Private Appointment.

Contributor – Provides the ability to view free/busy information and create new events.

Reviewer – Allows someone to view your Subject, Location, Attendees, and Description. However, any event you mark as private displays simply as Private Appointment.

Non-editing Author – Provides the ability to view full details of all events (accept private ones), create new events, and delete events they have created.

Author – In addition to permissions granted via “Nonediting Authour”, the user will also me able to edit events they have created.

Publishing Author – In addition to permissions granted via “Authour”, the user will also me able to create sub-folders (these are calendar groups or secondary calendars).

Editor – Provides read/write/modify access to the calendar (accept private events).

Publishing Editor – In addition to “Editor” permissions, the user will also be able to create sub-folders (these are calendar groups or secondary calendars).

Owner – In addition to “Editor” permissions, a delegate can also be selected to receive calendar notifications/requests/invitations. By default, ‘Delegates’ cannot view/modify events set to Private. You do have the option to grant the delegate the ability to view (full details) Private events.

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