1. In Outook, right mouse click on your Mailbox name (your.name@unisa.edu.au) and select Folder permissions
2. Select the Add button
3. Find the desired staff member through the search
4. Double click on the desired persons name so they appear in the 'Add' bar at the bottom and click OK 
5. Select the newly added person and select the appropriate Permission Level from the drop down. Reviewer rights are recommended at this level
6. Ensure that the folder visible box is ticked
7. Click OK

Or for step by step instructions (including screenshots)  see How do I share some of my folders in Outlook? 

1. Open Outlook
2. Select File
3. Click Account Settings button and then click Account Settings...
4. Double click your main account
   NOTE: UniSA staff email will default to UniSA Exchange
5. Click More Settings... 
6. Select the Advanced tab
7. Click Add
8. Type the name or email address of the mailbox and click OK
9. Click OK
10. Click Next
11. Click Finish
12. Click Close
13. Restart Outlook

Or for step by step instructions (including screenshots) see How do I access another person's folders once given access page.

1. In Outook open your Calendar
2. Select Calendar permissions from the ribbon at the top of the screen
3. Enter the name of the person or mailbox you wish to allow access to and double click so the name appears in the Add field below
4. Click OK to return to the Calendar Properties window
5. Select the person or mailbox you added and select the desired Permission level
6. Click OK

Or for step by step instructions (including screenshots) see How do I share my calendar in Outlook? 

1. In Outook open your Calendar
2. Select "Open Calendar" from the dropdown
3. Choose "Open Shared Calendar"
4. Enter the name of the user or mailbox of the calendar
5. Click OK

Or for step by step instructions (including screenshots) see How do I open a shared calendar in Outlook?