Contact - Microsoft Support
Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.
Activate Windows | Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Account & profile | XBOX Support
Find everything you need to manage your Microsoft account, XBOX profile, and more.
XBOX Status | XBOX Support
Check Xbox services, games, and apps for service outages or functionality issues.
修复 Windows 中的声音或音频问题 | Microsoft Support
如果“获取帮助”应用无法解决你的声音或音频问题，请尝试列出的可能解决方案。 Windows 11 中的常规音频疑难解答 请尝试以下常规故障排除步骤来帮助解决音频问题。 步骤 1. 在 Windows 设置中检查扬声器输出 如果有多个音频输出设备可用，请检查是否已选中适当的输出设备。 方法如下：
What happens if there's an unusual sign-in to your account
Tell me about what happens if there's an unusual sign-in Show me how to manage unusual activity. Show me how to manage recent activity.
Applies To:
Microsoft account dashboard
Use Snipping Tool to capture screenshots | Microsoft Support
Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.
Classic Outlook recipients are unable to open "Encrypt Only" emails
Tell me about classic Outlook recipients are unable to open What do I need to know about classic Outlook hangs Show me how classic Outlook hangs when using.
Applies To:
Outlook for Microsoft 365
登录 Microsoft 365 | Microsoft Support
对于 Windows 电脑上安装的 Microsoft 365 或 Office 应用： 如果尚未使用 Microsoft 365 或 Office 文件或文档，请打开 Word 或 Excel 等应用，然后打开现有文件，或创建一个新文件。 如果使用 Outlook) ，请选择“ 文件> 帐户 (或 Office 帐户 ”。 如果尚未登录，单击“ 登录 ”。 在“登录”窗口，键入用于 Office 的 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
Install or reinstall classic Outlook on a Windows PC
Walk me through how to install classic Outlook on Windows How do I configure languages? Set up classic Outlook after a fresh install
Applies To:
New Outlook for Windows