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Back up your Windows PC - Microsoft Support
Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.
Calculate the difference between two dates - Microsoft Support
How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Reset or recover your lost Microsoft account password
If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.
About the Microsoft Support and Recovery Assistant
Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.
Applies To: Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To: PowerPoint for the web
KB5027397: Feature update to Windows 11, version 23H2 by using an ...
Summary. Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.
Get help with your Microsoft account - Microsoft Support
Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.
Applies To: Microsoft account dashboard
Microsoft Edge使Microsoft - Microsoft
如果在设置中打开用与首选语言不同的语言编写的页面,Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时,“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中,则该语言被视为外在语言。
Applies To: Microsoft Edge
Unlink and re-link OneDrive - Microsoft Support
Learn how to reset or move OneDrive by unlinking and re-linking your PC.
Applies To: OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.