Microsoft has released an updated version of Outlook for Mac. The new version has many new features as well as some known issues, including a significant issue related to shared mailboxes/resource accounts (see below).  Some of the new features are:

• Customizable toolbar
• Improved search capabilities
• Suggested times for meeting based on recipients’ availability
• Improved meeting responses

Microsoft has a comprehensive list of both the new features and known issues that can be found here.

 

Outside of the known issues mentioned in the article Information Services has noted the following:

• Delegate rights to the Inbox only for a shared mailbox will not be able to open the Inbox and will need to continue using the Legacy Outlook experience. 
• Full Access will continue to work in the new Outlook experience
• Calendar access will continue to work in the new Outlook experience