Tải xuống và cài đặt hoặc cài đặt lại Microsoft 365 Office 2021 trên PC ...
Bạn đã sẵn sàng cài đặt? Trước khi bạn bắt đầu, hãy đảm bảo PC hoặc máy Mac của bạn đáp ứng các yêu cầu hệ thống.. Nếu bạn đã quy đổi khóa sản phẩm, bạn chỉ cần cài đặt lại các ứng dụng hoặc bạn biết mình đã được gán giấy phép thông qua cơ quan hoặc trường học, bạn có thể bỏ qua và ...
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Add or remove a digital signature for Microsoft 365 files
Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
激活 Windows - Microsoft 支持
若要在 Windows 11 中检查激活状态,请选择“开始 ”按钮,然后选择“设置 > 系统 ” ,然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息:
在 Windows 中配对蓝牙设备 - Microsoft 支持
在快速设置中: 若要查找蓝牙的快速设置,请选择任务栏右侧的时间和日期旁边的 网络、 声音或 电池 图标 ( ) 。选择“蓝牙 ”将其打开。 如果在未连接任何蓝牙设备的情况下打开,则它可能显示为“未连接 ”。 如果在快速设置中看不到蓝牙 ,则可能需要添加它。
Getting started with the new Outlook for Windows
Not sure which version you're currently running, see What version of Outlook do I have? Classic Outlook on Windows. If your accounts are supported in the new Outlook for Windows, you'll see a toggle in the upper right of classic Outlook to Try the new Outlook.. Selecting this toggle will download the new app and let you switch to the preview.
Applies To:
New Outlook for Windows
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Download languages and voices for Immersive Reader, Read Mode, and Read ...
6. After the new language is installed, navigate to Language and find it in your Preferred languages list. Select your language and choose Options to adjust other language settings, download features, etc.. Speech settings and voices. If text-to-speech is available in your language, you can adjust voice settings to change reader voices and speeds when using audible features like Read Aloud in ...
Applies To:
OneNote for Microsoft 365, OneNote 2024, OneNote 2021, Word 2016, OneNote 2016, Immersive Reader
How to add an account in OneDrive - Microsoft Support
To add a personal or work/school account to OneDrive on your pc. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Applies To:
OneDrive for Business 24, OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
如何创建新的 Microsoft 帐户 - Microsoft 支持
如何创建新的 Microsoft 帐户以使用 Microsoft 服务。
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. If your camera contains a microphone, you might also need to give your apps permission to use your camera.