Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Fix Bluetooth problems in Windows - Microsoft Support
If these steps don't fix your Bluetooth problem, use Windows Feedback Hub to file a bug. This helps Microsoft determine the root cause of the problem. Include details about what you were doing or specific steps you were taking when the problem occurred. For example, if you started having Bluetooth problems after updating Windows or changing ...
Open Control Panel in Windows - Microsoft Support
Learn how to access the Control Panel in Windows for managing your system settings and programs.
Screen mirroring and projecting to your PC or wireless display
Note: If you can't find the PC you want to project to, make sure it has Wi-Fi turned on and has the wireless display app installed and launched. Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast.
Update Windows - Microsoft Support
Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.
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
Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Manage your Microsoft 365 subscription or Office product
The information below doesn't apply to these Office versions or Microsoft 365 subscriptions. Microsoft personal account Work or school account On the Microsoft account dashboard, select Services & subscriptions to view all Microsoft products associated with this account.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Ways to install Windows 11 - Microsoft Support
Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements
Keyboard shortcuts in Windows - Microsoft Support
Do you want to learn how to navigate Windows using keyboard shortcuts? Whether you need to switch between apps, open the command prompt, or perform any other tasks, you can find a full list of keyboard shortcuts in Windows on this webpage. Discover how to save time and improve your productivity with these handy tips.