My Account portal for work or school accounts - Microsoft Support
Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification
Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
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, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
First things to know about teams in Microsoft Teams
Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.
Applies To:
Microsoft Teams
如何使用 Windows 11 中的任务栏 - Microsoft 支持
了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。
Manage notifications in Microsoft Teams - Microsoft Support
Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.
Applies To:
Microsoft Teams
Windows background apps and your privacy - Microsoft Support
Learn more about what background apps are in Windows and how to turn them off when you're not using them.
Updating to the latest version of Skype - Microsoft Support
We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.