Learn how to use VLOOKUP, INDEX, or MATCH to search for data in Excel. Get a quick refresher and more tips from Microsoft Support.

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.

了解如何在 Microsoft Teams 中创建、编辑和自定义群组聊天， (Android、iOS、Windows 和 Mac 设备上的免费) 。

在群组聊天中保留或删除某人; 个性化群组聊天图像; 在 Teams 上与某人聊天以供个人使用; 与通讯组列表或 M365 组中的成员聊天

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

有三种方法可以在 Teams 中与人员聊天： 在“ 帖子 ”选项卡上的频道中， (团队中关注该频道的所有人)

加入组时，可以访问组邮箱、日历、 OneNote 笔记本和团队网站。 权限会自动处理，因此不必担心错过任何会议或对话。

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.