Open the Office 2011 Identities folder.n the Finder, click Go, and then click Home.To determine the size of your identity, follow these steps: For example, if the identity is 1 gigabyte (GB), there should be at least 3 GB of free space available on the hard disk (not including the space that is needed for virtual memory). Step 2: Determine the amount of space available on the hard disk Before you perform any database maintenance, make sure that you have at least three times as much hard disk space available as the current size of your Outlook identity. The clippings in the Scrapbook disappear.A blank Office Reminders window appears.When you perform a search in Outlook, the search results don't match the criteria that you set.You can't find information that you added to Outlook, such as a calendar event or a contact.Outlook contact entries are not displayed correctly.Blank lines appear in the Outlook message list or in Outlook contacts.Outlook items don't open, or the item that opens is not the item that you selected.Outlook doesn't open, stops responding, or quits unexpectedly.If you have any of the following problems, the database might be damaged, and you might have to rebuild your identity database by using the Microsoft Database Utility: Your identity is located in the Microsoft User Folder data. The identity contains a set of email messages, contacts, tasks, calendars, accounts settings, and more.

This article describes how to rebuild the identity database to resolve problems in Microsoft Outlook for Mac 2011.

How to rebuild the mac outlook identity