To address the problem with some fields (e.g. phone number and company) being blank on Outlook Contacts/People on people.live.com. More background in these support threads:

• When pointing my browser to Outlook.com and accessing my Contacts (people.live.com) data such as, phone #s, notes, and company name are missing - Mozilla Support
• Incomplete information about Contacts - Only e-mail address, Address - Microsoft Community
• Phone numbers from my Outlook.com contacts are missing - Microsoft Community

System Requirements

Firefox users: Install the Greasemonkey extension from Mozilla Add-ons BEFORE installing this userscript.

Not tested in other browsers or other script hosting extensions.