With a Microsoft account, you can access all Microsoft services with a single username and password on your computer or phone. You can also use the same username and password on your Xbox.

With your Microsoft account, you can, for example:

  • Download content from Store

  • Back up your contacts

  • Upload, store, and share pictures and documents.

  • Back up your phone on SkyDrive.

  • Play Xbox games

  • Get your avatar and gaming achievements on your phone, and add to them when you play games on your phone

  • Keep track of and lock your lost phone with Find My Phone

  • Get feeds from social networking services to your People hub

To learn more about Microsoft account and what can you do with it, go to http://www.windowsphone.com/.