Check out this article: Resolve Outlook for Windows issues with automated troubleshooting tools Jump to each section on this page for specific Outlook issue: Earlier this year we introduced the new Outlook.com, which helps you focus on what matters, collaborate effortlessly, and get more done.
As part of the upgrade, we are also moving accounts to a more secure and reliable infrastructure.
Outlook 2011 does not use Exchange Cached mode and directly connects to the Global Address Book (GAL) via LDAP connection.
In this case your global address book will update each time Send/Receive is pressed. There are a lot of resources to help you become familiar with Office 365.
cmdlet is run then a ‘synchronize now‘ event is marked and the update is not actually run immediately.The entire process happens over time based on a number of intervals, and by default looks like this: value indicates the default behavior of Lync Server to search Active Directory for any changes every minute.