Obtain a digital certificate and create a digital signature
If you plan to exchange digitally-signed documents together with other people, and you want the recipients of your documents to be able to verify the authenticity of your digital signature, you can obtain a digital certificate from a reputable third-party certificate authority (CA).
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
在Microsoft Edge浏览器中使用Microsoft 翻译工具 - Microsoft 支持
在Microsoft Edge浏览器中使用Microsoft 翻译工具. 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 ...
Applies To:
Microsoft Edge
修复 Windows 中的声音或音频问题 - Microsoft 支持
如果你在安装更新后遇到音频问题，请尝试回退音频驱动程序。. 如果 Windows 找不到新的驱动程序，请在设备制造商网站上找到一个驱动程序并按照说明操作。. 如果这不起作用，请尝试卸载音频驱动程序。. 如果这些步骤无法解决音频问题，请访问设备制造商的 ...
Common problems with two-step verification for a work or school account ...
If you're having problems with two-step verification on a personal Microsoft account, which is an account that you set up for yourself (for example, danielle@outlook.com), see Turning two-step verification on or off for your Microsoft account.
Reduce background noise in Microsoft Teams meetings
Teams offers three levels of noise suppression to help keep meeting participants focused on the following platforms: the Teams desktop app, the Teams mobile app (iOS and Android), Microsoft Teams Rooms on Windows, and Windows Azure Virtual Desktop (AVD).
Applies To:
Microsoft Teams
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration. Note: Do not disturb has replaced focus assist from Windows 10.