This article describes the issues that are fixed in the Microsoft Outlook 2013 hotfix package that is dated August 13, 2013.
Starting with the August 13, 2013 hotfix package for Microsoft Outlook 2013, Office 365 customers will notice that Outlook uses the following URL:
Outlook uses this URL to communicate connection status and health for the Microsoft Office 365 service.
For more information about software update terminology, click the following article number to go to the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates