Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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.

Lock or unlock specific areas of a protected worksheet. You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

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。. Android iOS Windows Mac. 创建群组聊天后，请详细了解不同的功能 ，以充分利用聊天 。. 点击屏幕 ...

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

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.

Xbox Chat (13) and Xbox Social (14) – Start a text or voice chat, one on one or in a group. Connect with friends or make new ones and join a friend’s PC game or invite them to join yours. For more info, go to: Use Game Bar to play and chat with friends.

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.

根據預設，您的小組是 [私人] 小組，這表示您必須主動新增您要加入小組的人員或群組。. 如果您要讓組織內的任何人都能尋找並加入這個小組，則選取 [公開]。. 新增成員。. 您可以新增人員、群組，或甚至是整個連絡人群組。. 如果您需要新增組織外部的人員 ...

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。