You weren't able to find your username. If the username lookup wasn't successful, try looking for your Microsoft account username within other products or services that you know are associated with that account. Read check your products or services to find out how.

Press the Start button , and then enter store into the search bar.; Choose Microsoft Store from the results to open the app.; Select your account in the top-right corner of the screen, and then select Redeem code or gift cards.; Enter the 25-character code, select Next, and then follow the prompts.

If you don’t like how your pages will be printed, you can change page margins or add page breaks. Click Print. Activate and use an add-in. On the File tab, choose Options, and then choose the Add-Ins category. Near the bottom of the Excel Options dialog box, make sure that Excel Add-ins is selected in the Manage box, and then click Go.

Hinweise: Ihr Hotmail- oder Outlook.com-Kennwort entspricht dem Kennwort Ihres Microsoft-Kontos. Wenn Sie sich anmelden können, aber Probleme mit Outlook.com haben, überprüfen Sie den Dienststatus.Wenn der Status nicht grün ist, warten Sie, bis der Dienst normal ausgeführt wird, und versuchen Sie es erneut.

Windows 10 と Windows 11には、最新のウイルス対策の保護を提供する Windows セキュリティが含まれています。 お使いのデバイスは、Windows を起動した瞬間からアクティブに保護されます。

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

See the following sections for instructions on changing your email account password for several major email providers. If your email account provider isn't listed, contact your admin or the email provider's help desk.

If you can't sign into your Microsoft account, use our guided tool below to help you find the correct solution. Start The My Account portal helps you to manage your work or school account by setting up and managing your security info, managing your connected organizations and devices, or viewing how your organization uses your data.

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。