Reactions in Microsoft Outlook - Microsoft Support
Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2016, Microsoft 365 admin, Outlook on the web, Microsoft 365 Apps for business, New Outlook for Windows, Outlook for Android, Outlook for iOS
Microsoft Authenticator FAQs - Microsoft Support
This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
Change your country or region in Microsoft Store
If you change your country or region for Microsoft Store, stuff you got in one region might not work in another.
Crop a picture to fit in a shape - Microsoft Support
Use the crop tools in Microsoft 365 to crop a picture to fit in a shape in Word, PowerPoint, Outlook, or Excel.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook 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, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016
Microsoft .NET Framework 4.7.2 offline installer for Windows
When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.
Change your profile picture in Microsoft Teams
To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.
Applies To:
Microsoft Teams
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。
Common file name extensions in Windows - Microsoft Support
Find out how to identify and manage different file types in Windows with File Explorer and common extensions.
How to recover a hacked or compromised Microsoft account
Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.