Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。