Manage Microsoft 365 payment information and billing for your business
Learn how to manage the payment information and billing for your Microsoft 365 subscription.
Use a proxy server in Windows - Microsoft Support
Learn how to set up a connection to a proxy server on your Windows PC.
在 Windows 10 中添加在启动时自动运行的应用 - Microsoft 支持
右键单击该应用，选择“更多”，然后选择“打开文件位置”。此操作会打开保存应用快捷方式的位置。 如果没有“打开文件位置”选项，这意味着该应用无法在启动时运行。
Learn about Microsoft Rewards - Microsoft Support
Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.
Applies To:
Microsoft account dashboard
Check spelling and grammar in Office - Microsoft Support
All Microsoft Office programs can check spelling, and most can check grammar. Using Microsoft 365? You may be interested in checking out the powerful new Editor feature in Word!
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, InfoPath 2013, InfoPath Filler 2013
Chat with others in Microsoft Teams - Microsoft Support
Click New chat to start a one-on-one chat and send messages in Microsoft Teams. To start a group chat, just add people to the conversation.
Applies To:
Microsoft Teams
Learn about performance features in Microsoft Edge
Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.
Applies To:
Microsoft Edge
Phone Link help & learning
Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.
在 PowerPoint 中使用演示者视图 - Microsoft 支持
培训：PowerPoint 演示者视图显示当前幻灯片、下一张幻灯片和演讲者备注，以帮助你在演示和与受众联系时集中注意力。 观看本视频了解如何操作。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Set up a security key as your verification method
Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method