Office 365 (Known Issues) - Limited Functionality in Outlook for Mac 2011

Individuals may find that Outlook for Mac 2011 does not contain the full range of functionality as Outlook 2013.

Limited Functionality

Individuals will be unable to perform certain operations within the Outlook 2011 desktop client. Known limitations include:

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Workaround

For full functionality, use Outlook 2013 on a Windows machine or navigate to outlook.office365.com