You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding. To manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of Outlook Data Files (.pst and .ost). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter. You can even add your @outlook.com email address to Mailbird and not miss out on any of your important conversations. See why Mailbird is tr...