Sign out of Teams. While it's a good idea to remain signed in to continue receiving chats, notifications, incoming calls, and other activities, sometimes you might want to sign out of Teams to use another account or for other reasons.

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

该验证方法目前不起作用：有时块可能绑定到你正在使用的验证方法。尝试使用连接到帐户的其他验证方法。 例如，如果使用短信验证自己并遇到阻止，请尝试使用连接到帐户的备用电子邮件来接收授权代码。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!

如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店，并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载。

警告删除与 Microsoft 域（如 @Outlook.com、@Live.com 或 @Hotmail.com）关联的电子邮件别名时，该电子邮件地址将从我们的系统中完全删除，不能再用于发送或接收电子邮件。该电子邮件别名也不能在另一个帐户上再次用作别名。Microsoft 不回收电子邮件地址，因此以后无法重新找回该电子邮件地址。

Always check the sender's email address and confirm that it makes sense for the message you've received. 2. To whom it may concern. If they don't know your name, they can't withdraw any funds from your bank account.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

只要其中一个表具有与所有其他表共有的字段，就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿，且旧版本不支持将多个表作为数据源的数据功能，这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表，则该数据功能可在较旧版本的 ...