If you know your username and password but they have stopped working, read My username and password have stopped working.. If you forgot your Microsoft account username or email address, and you have previously set up other security information on your Microsoft account, follow the steps below.

Select the Network icon on the lower right corner of the taskbar, and then select Manage Cellular connections (>) for the Cellular quick setting.Often, you’ll see the name of your mobile operator under the Cellular quick setting.

了解如何接收从 Microsoft 购买的商品的退款或换货。

Treat all email as junk unless it comes from someone in my Safe Senders or Safe Recipients lists, or from senders in my organization Select this option if you want email messages from senders that aren't defined in your Safe Senders List or Safe Recipients List or email messages from outside your organization to be treated as junk email. Email messages identified as junk email are moved to the ...

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You can use RTF when you send messages inside an organization that uses Microsoft Exchange, but we recommend that you use the HTML format. In fact, when you send an RTF message to someone outside your organization, Outlook automatically converts it to HTML, so the message keeps its formatting and its attachments.

Wählen Sie auf der Registerkarte Start des Menübands Verschieben aus. Wählen Sie einen Ordner aus der Liste aus, oder wählen Sie In einen anderen Ordner verschieben aus, und wählen Sie dann einen Speicherort aus der vollständigen Ordnerliste aus. Sie können Nachrichten auch in andere Ordner ziehen oder mit der rechten Maustaste klicken und Wiederherstellen auswählen.

Check the Xbox services, games, and apps for any service outages.

Describes the Windows Installer 3.1 v2 download that is available as a redistributable system component for Windows 2000 SP3, Windows 2000 SP4, Windows XP, Windows XP SP2, and Windows Server 2003.

Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video