Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

获取有关您的 Xbox Live 好友、聊天、群等的帮助。

添加或邀请组织外部使用 Teams 的人员加入群组聊天 在群组聊天中与最多 250 人聊天。 组织外部的参与者必须使用 Teams 或 Teams 免费版。 开始新的群组聊天并添加参与者 在 Teams 的左侧，选择“ 聊天 ”，然后选择“ 新建聊天 ”以开始新的聊天。 键入要邀请其聊天的人员的电子邮件地址、组或标记 ...

GroupMe supports emoticon keyboard shortcuts on desktop and web. When you type :-) as well as many others, it's converted into a GroupMe emoticon. Here's a list of the emoticon keyboard shortcuts.

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).

When you remove all the contacts from the category, it will automatically disappear from your app. Tip: The categories are specific to Teams and will not be available in other products.

Teams for web isn't currently supported on mobile devices. To use Teams on your mobile device, download the mobile app.

Create a link You can easily share a link to a channel. Hover over the channel you want to share and select More options > Copy link . The link will be automatically copied to your clipboard. Paste the channel link in a chat or channel conversation to share it.

使用移动和桌面版上提供Microsoft Teams 免费版中的最新功能与联系人和社区联系。 Microsoft Teams 免费版（有时也称为 Teams 个人版）适用于你和你的日常生活，可在一个应用中与联系人联系。 Teams 个人版是一个一体的通信中心，让你随时随地进行计划、共享和聊天。 在一个有用且安全的位置查找联系人 ...

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