Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Change the email address or phone number for your Microsoft account
Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.
Applies To: Microsoft account dashboard
Microsoft account security info & verification codes
Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).
Applies To: Microsoft account dashboard
Set up dual monitors on Windows - Microsoft Support
Under System , select Display .Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Multiple displays , then Detect.
| Xbox Support
如果接收人意外删除礼品电子邮件,则让他们检查其电子邮件应用中的已删除邮件文件夹。 如果那里没有礼品,则赠送者可以按照上面的“接收人一直收不到礼品”中列出的步骤通过电子邮件发送代码。
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Product activation for Windows online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.
LOOKUP function - Microsoft Support
Vector form. The vector form of LOOKUP looks in a one-row or one-column range (known as a vector) for a value and returns a value from the same position in a second one-row or one-column range.. Syntax. LOOKUP(lookup_value, lookup_vector, [result_vector]) The LOOKUP function vector form syntax has the following arguments:. lookup_value Required.A value that LOOKUP searches for in the first vector.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Check your network connection status - Microsoft Support
Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings.Select Settings > Network & internet.The status of your network connection will appear at the top.
Microsoft Defender 使 - Microsoft
Microsoft Defenderは、マルウェアの保護、Web 保護、リアルタイムのセキュリティ通知、セキュリティに関するヒントを使用して、人々や家族がより安全なオンラインを維持するのに役立つセキュリティ アプリです。Microsoft Defender は、Microsoft 365 Familyまたは個人用サブスクリプションに含まれており ...
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows, Microsoft Defender Online
Windows - Microsoft
管理者の数を減らし、日常的なアクティビティに標準ユーザー アカウントを使用する方が安全です。 設定アプリを使用して、ユーザーを管理者にするか、管理者を標準ユーザーに戻すことができます。