更改或删除单个页面上的页眉或页脚 - Microsoft 支持
更改或删除第一页的页眉或页脚. 双击页眉或页脚区域（靠近页面的顶部或底部）以打开“ 页眉和页脚 ”选项卡。. 选中 “其他首页” 以查看是否已选中。. 否则：. 选择“ 首页不同 ”。. 删除第一页上页眉或页脚的内容。. 在页眉或页脚中键入新内容。. 若要 ...
适用于:
Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word 网页版, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
下載並安裝或重新安裝 Office 2019、Office 2016 或 Office 2013
啟動 Microsoft 365. 開啟 Word 或 Excel 等任何應用程式，即可開始使用 Microsoft 365 應用程式。. 安裝後找不到 Office？. 在大多數的情況下，在您開啟應用程式並按一下 [接受] 以同意授權條款之後，Microsoft 365 就會啟用。. Office 可能會自動啟用。. 不過，視您的產品而定 ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Help in File Explorer - Microsoft Support
Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.
Recall an email message that you sent in Outlook
How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 管理员, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
See your favorites bar in Microsoft Edge and Internet Explorer 11
Get the steps for showing your favorites bar in Microsoft Edge and Internet Explorer 11.
关闭必应主页图像或视频 - Microsoft 支持
关闭必应主页图像或视频 Microsoft必应主页上同时具有静止图像和视频背景。 如果这会分散注意力，你可以将其关闭。 必应 ...
Surface camera not working - Microsoft Support
Remove and reinstall driver. Select Search on the taskbar, enter Device Manager, and select it from the results. Double-click the camera, select the Driver tab, and then select Uninstall Device. Select Attempt to remove the driver for this device and then select Uninstall. Restart your Surface.
Turn on app permissions for your microphone in Windows 10
To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps. Here's how:
Avoid and report Microsoft technical support scams
Avoid and report Microsoft technical support scams. Security. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s ...
Deinstallieren oder Entfernen von Apps und Programmen in Windows
Deinstallieren unter "Einstellungen". Wählen Sie " Einstellungen > Apps> Apps &-Features > starten" aus. Suchen Sie die App, die Sie entfernen möchten, und wählen Sie "Weitere > Deinstallieren" aus. Hinweis: Einige Apps können derzeit nicht aus der Einstellungs-App deinstalliert werden. Wenn Sie Hilfe beim Deinstallieren dieser Apps ...