Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Recall a message in Outlook on the web. Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox.

Manage suggested recipients in Outlook for iOS and Android. Add, find, edit, or delete a contact in Outlook. As you type inside the To, Cc, or Bcc boxes, Outlook suggests recipients. The Auto-Complete List can be turned off.

查找好友：. 按 Windows 徽标键 + G 打开 Game Bar。. 选择 小组件菜单，然后选择 Xbox 社交。. 选择“好友”选项卡。. 双击好友的玩家代号以启动对话，或右键单击获得高级选项（邀请他们加入游戏、查看他们的个人资料等）。. 若要开始群组聊天，请双击好友的玩家 ...

如何将社交媒体帐户链接到 Xbox 主机. 使用 Game Bar 链接帐户. 按 Windows 徽标键 + G 打开 Game Bar。. 选择设置 > 账户。. 登录到 Xbox 网络（大多数已链接的帐户都需要它），从列表中选择社交网络，按“链接”，然后按照提示进行操作。. 链接使用适用于 Windows 的 Xbox ...

如果你无法在 Xbox 主机上从游戏聊天切换到群聊天，则 Xbox 服务或你的网络连接可能有问题。 请尝试以下解决方案来修复该问题，以便你可以使用群聊天。

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.

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.

下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理.

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。.