Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.

Learn about channels in Microsoft Teams. Standard channels are available to all team members in Teams. Most channels are standard channels. If you need a smaller, specific audience for a particular subject, you can use a private channel. Shared channels are for collaborating with people inside and outside your team or organization.

Note: For more info about the minimum system requirements for Windows 11, see Windows 11 specs, features, and computer requirements.

私人频道会议和通话. 外部来宾可以加入团队的私人频道会议或 立即开会 通话，但需要了解一些事项。. 仅当专用频道的成员向他们发送加入会议的链接，或在会议期间打电话给他们立即开会时，他们才能参与。

转到 Teams 中的任何频道时，你将看到的第一个选项卡是 “帖子”。将帖子视为一个大型群组对话。 有权访问该频道的每个人都可以在“ 帖子”选项卡上查看消息。 关于通道中的消息，另一个关键事项是，对频道消息的回复将保持附加到原始邮件。

使用 Microsoft Forms ，可以在 Microsoft Teams 秒内创建即时实时轮询。 在 Teams 频道中发布投票，或在聊天窗格中快速收集反馈。