Troubleshooting black or blank screens in Windows
For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.
Change or remove workbook passwords - Microsoft Support
How to change or remove an Excel workbook password. Workbook passwords can be changed or removed by anyone who knows the current password.
适用于:
Microsoft 365 Mac 版专属 Excel, Excel 2021 for Mac, Excel 2019 for Mac
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Microsoft 365 管理员, Project for Office 365
有关 Microsoft 帐户恢复表单的帮助 - Microsoft 支持
开始填写表单前 以下步骤将帮助你填写帐户恢复表单。 这是一个冗长的过程，因为它旨在提出只有你才能回答的帐户相关问题。 Microsoft 将查看你的答案并在 24 小时内做出回复。
Dark Mode in Outlook - Microsoft Support
Why does my reading pane have a dark background? When dark mode is turned on, the reading pane has a dark background to reduce eye strain. You can make the reading pane brighter by selecting at the top of the reading pane. If you don't see the button, select .
适用于:
Microsoft 365 专属 Outlook, Outlook 网页版, Outlook.com
Download drivers and firmware for Surface - Microsoft Support
Surface model. Link. Surface Pro X. Use Windows Update to keep your Surface Pro X drivers and firmware up to date. Select Start > Settings > Update & Security > Windows Update .Commercial customers can learn more about servicing Pro X at Deploying, managing, and servicing Surface Pro X.. Surface Pro (11th Edition)
Fix File Explorer if it won't open or start - Microsoft Support
Learn how to troubleshoot File Explorer problems in Windows. To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon).. Here are some things to try if File Explorer won't open.
Windows 11 をインストールする方法 - Microsoft サポート
開始する前に Windows 11 をインストールするデバイスが、最小システム要件 を満たしていることを確認します。 デバイスで Windows 10 を実行中の場合、Windows PC 正常性チェック アプリ を使用して、最小システム要件を確認することをお勧めします。 要件を満たしていないデバイスに Windows 11 を ...
Shut down (turn off) your PC - Microsoft Support
To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu
Pin apps and folders to the desktop or taskbar - Microsoft Support
To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.