Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Register the password reset verification method for a work or school ...
Register the password reset verification method for a work or school account. If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password. Your administrator must turn on this feature ...
Create and add an email signature in Outlook - Microsoft Support
In Outlook, you can create one or more personalized signatures for your email messages. Your signature can include text, links, pictures, and images (such as your handwritten signature or a logo). Start guided support. Or, select a tab option below for the version of Outlook you're using.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Stream HDR video on Windows - Microsoft Support
Select HDR or Use HDR. In the HDR section, turn on HDR video streaming. If your built-in display can play streaming HDR video, you can calibrate it to get the most out of it. For more info, see Calibrate your built-in display for HDR content in Windows.
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。. 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。.