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.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.

If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip.

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。

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。. 查找好友：. 按 Windows 徽标键 + G 打开 Game Bar。. 选择 小组件菜单 ...

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.

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。.

建立連絡人群組. 將人員新增至連絡人群組. 傳送電子郵件訊息至連絡人群組. 訓練：觀看並瞭解如何在 Outlook 中建立電子郵件連絡人群組，以便您可以傳送電子郵件給群組，而不是傳送個別電子郵件。.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.