Manage drive space with Storage Sense - Microsoft Support
How to use Storage Sense to free up hard drive space on your Windows device.
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
注意: 通过员工Microsoft工作区折扣计划购买的某些产品(以前称为家用许可计划) 权益或批量许可证版本 (由组织的 IT 部门管理，) 可能不需要帐户。 以下信息不适用于这些 Office 版本或 Microsoft 365 订阅。
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 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, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 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, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, 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, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
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
Change privacy settings in Windows - Microsoft Support
How to access and change the privacy settings in Windows 10 and 11.
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
Turn new message alert pop-up on or off - Microsoft Support
See an alert in a pop-up window on the bottom of Windows desktop when new email messages arrive in your Outlook Inbox.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Ways to add values in a spreadsheet - Microsoft Support
One quick and easy way to add values in Excel is to use AutoSum.Just select an empty cell directly below a column of data. Then on the Formula tab, click AutoSum > Sum.Excel will automatically sense the range to be summed.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Global Customer Service phone numbers - Microsoft Support
This page provides phone numbers of Microsoft customer service.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
How to redeem Microsoft Rewards points - Microsoft Support
Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.
Applies To:
Microsoft account dashboard