A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Synchronization of contacts between your Outlook account and your Apple iPhone or iPod touch requires Apple iTunes. You can configure which items are synchronized during a one-time set up process. After the initial setup, each time that you connect your iPhone or iPod touch to your computer, the changes made on your computer or device are synchronized.

How prepaid subscription time converts when upgrading to Game Pass Ultimate or Game Pass Premium When you upgrade to a Game Pass plan that includes benefits of a subscription you already have, we'll convert remaining prepaid time and apply it toward your new plan at the current conversion ratio. See below for Game Pass Ultimate and Game Pass Premium upgrade details.

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.

What is Teredo? Select games like Forza Horizon 3 and 4 use a networking protocol called Teredo for multiplayer gaming on the Xbox network. Teredo is a networking protocol that’s used to establish communications between clients and servers, and to facilitate connectivity between devices behind routers that use network address translation (NAT).

Learn how to sign in to your Outlook or Hotmail mailbox using your Microsoft account.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

如果您移至新的國家/地區，在購買之前，請確定您的帳單地址和付款選項符合您的新地區。

Learn what to do when you receive a NAT type: Unavailable error message on Xbox.

What are sensitivity labels? Sensitivity labels are applied either manually or automatically to files to keep them compliant with your organization’s information protection policies. Sensitivity labels indicate the classification of and can apply protection to files. Your organization customizes the label names and descriptions. Contact your organization’s IT department for additional ...