Describes how to update to the latest version of Microsoft Outlook. The version number of Office SP2 is greater than or equal to The version number of Office SP1 is greater than or equal to
 
 

Update history for Office Click-to-Run products – Office release notes | Microsoft Docs

 
Office Unlike volume licensed versions of Office, Microsoft Apps provides a user-based licensing model that allows your users to install Office on multiple devices with their license. You should also connect to the Internet regularly to keep your version of Office up to date and benefit from automatic upgrades.