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Recover and restore deleted items in Outlook - Microsoft Support
Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Office 365 operated by 21Vianet, Outlook.com, New Outlook for Windows
Download drivers and firmware for Surface - Microsoft Support
Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
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
How to earn Microsoft Rewards points - Microsoft Support
Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.
Applies To: Microsoft account dashboard
Manage photos and videos with Microsoft Photos app
Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.
Hotmail - Microsoft
Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。
Applies To: Outlook.com
Find your Windows product key - Microsoft Support
Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
Applies To: Microsoft account dashboard
Update Windows - Microsoft Support
Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.
Install and use a scanner in Windows 10 - Microsoft Support
Learn how to install a scanner and use it to scan pictures and documents in Windows 10.