Following are the important URLS for Microsoft Online Services. You can add them to your Favorites menu in Windows Internet Explorer to ensure that you have them when you need them.
The following global URLs provide access to the appropriate regional portals regardless of where you are located.
Administration Center https://admin.microsoftonline.com
My Company Portal https://home.microsoftonline.com
Customer Portal https://mocp.microsoftonline.com/site
Partner Administration Center * https://partner.microsoftonline.com