重要: Microsoft帐户、Windows 操作系统和其他Microsoft产品包括密码，以帮助保护你的信息。本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft支持无法帮助你检索或绕过丢失或忘记的密码。

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.

如果无线连接设备时，请使用5 GHz 网络（可能会在 2.4 GHz 网络上看到干扰）。如果你有双频路由器，可能需要启用或分离 5GHz 信号，然后确保所有设备都连接到同一信号。 如果不确定如何执行此操作，请访问设备制造商的支持网站或与 ISP 联系。

Important Because two-step verification is turned on, you’ll need two forms of identification to sign in to your account. If you no longer have access to the email address you use to verify your account, your security info isn’t up to date, or you’ve recently updated your security info within the last 30 days, you may not be able to access your account.

メディアの使用を目的として設計されています。 Windows Media Player 12 (Windows 7、Windows 8.1、Windows 10* に付属) では、Flip Video、iTunes ライブラリの保護されていない曲など、これまでよりも多くの音楽とビデオを再生できます。

Note: UEFI passwords are used primarily by enterprises and IT professionals to limit the types of changes that employees can make to their devices.If you're part of an enterprise, contact your IT administrator if you have any questions or issues with your UEFI password. If you aren't part of an enterprise and choose to create a UEFI password, make sure to document your password in a safe place.

Windows 10 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode. Switching out of S mode is one-way. If you make the switch, you won't be able to go back to Windows 10 in S mode.

Sommige versies van Microsoft 365, zoals Office Professional Plus 2021, Office Standard 2021, of een zelfstandige app zoals Word 2021 of Project 2021 hebben geen gekoppelde Microsoft-, werk- of schoolaccount. De stappen voor het installeren van deze versies kunnen afwijken als u Microsoft 365 hebt verkregen op een van de volgende manieren:

下载预生成的 Excel 日历模板。 使用各种 Excel 日历布局和模板保持井然有序，你可以轻松适应你的需求。 许多 日历模板 可用于 Microsoft Excel 。 模板提供了一个基本日历布局，可以轻松适应你的需求。 Excel 日历模板可能具有以下一个或多个功能：