For example, if messages appear to be missing or garbled, or if you cant find all relevant messages when you search using the Entire Message search option.

Open Mail for me In the Mail app on your Mac, select a mailbox in the sidebar.

When you rebuild mailboxes for IMAP or Exchange accounts, messages and attachments stored on your computer are discarded, and then downloaded again from the mail server to your Mac.

MS Outlook for Mac creates an OLM file to store users data locally.

A Mac system stores database file of each identity on Microsoft User Data Folder by creating a separate folder for each identity.

If you are facing any of the following problems, your Outlook database might be corrupted or damaged and you need to rebuild Outlook Mac 2011 database to resolve problems.

You can also open the Force Quit window by pressing Command key, Option Key and Esc simultaneously.

Now, select each application one by one except Finder and click on Force Quit icon.

Your available hard disk space (excluding the virtual memory) should be three times more than the size of your Outlook identity.

For example if the size of your Outlook identity is 1 GB then you should have 3 GB available hard disk space.

Follow below mentioned steps to find the size of your Outlook identity.

Now you can access this back up by using any third party software.

Now Open the Office folder and double click on Database Utility.app.

In Database Utility Window, Choose the database you need to maintain and then click on Rebuild.

Once all the operation will be completed, you will receive a message that your database was rebuilt successfully.

When MS Outlook has multiple identities, there are chances that one of those identities got corrupted.

In that case, you can create a new identity to resolve the problem.

In that case, you can use any third party tool to rebuild the Mac Outlook 2011 database to resolve the problems.

Rebuild Outlook For Mac Database