There can be many possible reasons due to which the users are unable to access these identities. If these identities get damaged or corrupted due to any reason, then they become inaccessible. They play an important role in handling user’s account data. Many users who are using Mac Outlook for a long time now, must know that what are identities. One such message is This Identity Cannot be Opened with this Version of Outlook 2011 Mac. But there are some error messages which are faced by the users while accessing Outlook for Mac. No matter if users are using Windows system or Mac based system, users prefer MS Outlook over any other email client. Microsoft Outlook is considered as the most liked application when it comes to email communication.