If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Open the message that you want to recall. You must double-click to open the message. Selecting the message so it appears in the reading pane won't allow you to recall the message. If you have the Classic Ribbon, from the Message tab, select Actions > Recall This Message.

The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk. Your certificate might be stored on a smart card, or might be a file that you store on your computer. Follow the instructions provided by your organization to use your certificate. Install the S/MIME control.

Add a way to verify sign-in to your Microsoft account. Sign in to the Advanced security options page of your Microsoft Account. Sign in. Select Add a new way to sign in or verify then choose how you would like to receive security codes.

请确保将音频输入和输出分配给要用于群聊天的音频设备。 在 “群”小组件中，选择 “群”选项 … 按钮，然后选择“群”音频。 在“音频”输出和“音频”输入下，从选择下拉列表中选择音频设备。

Your shared Friends & Family subscription must be active on August 15, 2023, to be eligible. If you’d like to cancel or change your membership, visit your Microsoft account. We’ll send a personalized code (or more than one code) to your Xbox account on console and the Xbox app on PC.

在 Microsoft Teams (免费) 中，可以轻松地在 Teams 个人版上与联系人进行群组聊天。. 你还可以向之前未与之聊天过的人发送消息，系统会提示他们在加入聊天前接受邀请。.

Understand each other better during a meeting by translating the meeting transcript into the language you’re most comfortable with. To translate a transcript during a meeting: Join a meeting in Teams. Start live transcription. In the transcript pane, select Transcript settings .

To share a file in File Explorer on Windows 11, select the file, then select Share on the ribbon. You can also right-click (or press and hold) on the file > Share. Then, choose how you want to send the file and follow the process for that option.

好友列表显示你的 Xbox 好友的当前动态，并允许你与他们进行互动。 直接跳转进入文本聊天或群聊天（一对一或在组中），加入好友的电脑游戏或邀请他们加入你的游戏，并查找要关注的人。