Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Microsoft added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about Windows updates, see Get the latest Windows update.. If you have a Japanese Yahoo! email account, you'll need to do the following:

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

如果你会定期使用此 Xbox 主机，请将其设为你的常用 Xbox，以便离线玩你拥有的游戏。有关如何将主机设为常用 Xbox 的信息，请参阅指定常用 Xbox。

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。