Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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
View, manage, and install add-ins for Excel, PowerPoint, and Word
Select File > Get Add-ins. Alternatively, in Word, Excel and PowerPoint you can view your add-ins by selecting Home > Add-ins.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Contact Us - Microsoft Support
Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Use the Microsoft Wireless Display Adapter - Microsoft Support
The Microsoft Wireless Display Adapter is a strong, reliable way to project your content, photos, and videos to a big screen. Before you begin. Identify your wireless display adapter model. Check which devices are compatible with your adapter. Set up your adapter. Connect the adapter to your display. Connect to your adapter from your Windows PC.
View and manage your subscriptions on Xbox | Xbox Support
Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions. Select the subscription that you want to manage. From here, you can view your plan, expiration date, billing history, subscription status, and change how you pay.
Screen mirroring and projecting to your PC or wireless display
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. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Video: Add formulas and references - Microsoft Support
Formulas help you extract useful information from your data. Add cell references and functions to calculate values that update automatically when you change your data.
Applies To:
Excel 2013
OneDrive を開き、ファイルをアップロードする - Microsoft サポート
OneDrive を開き、ファイルをアップロードする. OneDrive には、300種類のファイルを保存できます。. セキュリティで保護されており、ブラウザー、モバイルアプリ、Mac、Pc で利用できます。. Office ドキュメントでは、Office を使っているかどうかに関係なく、他 ...
Applies To:
OneDrive (work or school)
Loop access via Microsoft 365 subscriptions - Microsoft Support
Loop access via Microsoft 365 subscriptions. Certain features of Microsoft Loop are licensed and made available as part of different Microsoft 365 plans. Select your account type to learn more: The Loop apps for iOS, Android, and the web are available to anyone with a personal Microsoft account.
KB5034236：用于安装和恢复Windows 11版本 21H2 的兼容性更新：2024 年 1 月 9 日
当用户安装功能更新以移动到 Windows 11 版本 21H2 时，此更新将自动安装。. 此更新不会随每月质量更新一起自动安装。. Microsoft 更新目录. 是. 若要获取此更新的独立包，请下载 KB5034236 更新。. 若要从更新目录下载更新，请参阅 从 Windows 更新目录下载更新的步骤 ...