Troubleshoot external monitor connections in Windows 10
Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.
Upgrade to Windows 10 Pro - Microsoft Support
Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption
Mouse and Keyboard Center download - Microsoft Support
The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。
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, Excel Web App, Excel for Windows Phone 10
Recovery options in Windows - Microsoft Support
Important: If you’ve encrypted your device, you’ll need your BitLocker key to reset your PC. If you don’t know your BitLocker key, see Find my BitLocker recovery key.. During the resetting process, it is possible that your screen may go black for a long period of time (occasionally upwards of 15 minutes) and that your device may attempt to restart itself during this period.
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.
Upgrade Windows Home to Windows Pro - Microsoft Support
Important: The following steps apply only to devices currently running an activated copy of Windows 11 Home.If you’re not activated, we recommend you activate Windows 11 Home first. For more info, see Activate Windows.
Outlook.com の POP、IMAP、および SMTP の設定 - Microsoft サポート
ユーザー名. メール アドレス. パスワード. Microsoft アカウントのパスワード。 パスワードが認識されていない場合、または自宅のセキュリティ カメラなどのスマート デバイスに Outlook.com アカウントを追加する場合は、アプリパスワードが必要な場合があります。
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Getting ready for the Windows 11 upgrade - Microsoft Support
If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.
Using your keyboard - Microsoft Support
The following illustration shows how these keys are arranged on a typical keyboard. Your keyboard layout might be different. Typing text. Whenever you need to type something in a program, e‑mail message, or text box, you'll see a blinking vertical line ( ) called the cursor or insertion point.It shows where the text that you type will begin.