如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作。. 如果你忘记了 Microsoft 帐户用户名或电子邮件地址， 并且 之前已在 Microsoft 帐户上设置了其他 安全信息 ，请按照以下步骤操作。

Note: Invitee will receive a link to join via email. It will prompt them to sign into their Microsoft account to accept and join the family group. If they are under statutory age they will also be prompted to request adult consent.

Microsoft doesn't make or support Outlook Express anymore. But the Mail Migration add-on can help you move your email and contacts over to Outlook.com. The add-on automatically moves your email and contacts, and you can keep your current email address.

Press and hold down the power button until your Surface restarts and you see the Windows logo screen (this takes about 20 seconds), then release the power button.

To add sections in PowerPoint for the web switch to Slide Sorter view by clicking the Slide Sorter button on the status bar at the bottom of the window. Once in Slide Sorter view select the first slide in your new section, right-click on it, and choose Add Section.Give your section a name and press Enter.

可以通过两种方式将 Xbox 无线控制器连接到主机：使用主机的“配对”按钮 进行无线连接和使用 USB 到 micro-USB 电缆（或 USB 到 USB-C 电缆）进行有线连接。

Add names to a contact group (distribution list). Use a contact group (formerly called a “distribution list”) to send an email to multiple people—a project team, a committee, or even just a group of friends—without having to add each name each time you want to send them an email message.

需要在表格中或按行查找内容时，请使用 vlookup 函数。 例如，按部件号查找汽车部件的价格，或根据员工 id 查找员工姓名。 借助 xlookup，你可以在一列中查找搜索词，并在同一行的另一列中返回结果，无论返回结果的列在原列的哪一侧。

Windows 8.1 reached the end of support (EOS) on January 10, 2023, at which point technical assistance and software updates are no longer provided. If you have devices running Windows 8.1, we recommend upgrading them to a more current, in-service, and supported Windows release. If devices do not meet the technical requirements to run a more current release of Windows, we recommend that you ...

现在，可以使用 Microsoft To Do 应用在 Outlook for Windows 中管理任务。 具有 符合条件的 Microsoft 365 订阅和 Microsoft 待办应用用户许可证的用户 将能够快速访问待办事项以及主要 Outlook 功能（如电子邮件和日历），这些功能现在垂直显示在文件夹窗格左侧。 可以在帐户信息中检查你获得许可的订阅。