Important: If the individual you want to transfer the subscription to hasn't purchased it yet and they're also currently sharing your subscription, (for example, they're a member of your Microsoft Family), make sure you stop sharing with them before they activate the new subscription.

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Create contact lists. A contact list is a collection of email addresses, and is useful for sending email to a group of people. Contact lists are sometimes referred to as distribution lists.. For example, create a contact list named My book club and add all the members of your book club to it. When you want to send an email message to everyone in the club, just add My book club in the To line ...

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard

What is a security key? We currently support several designs and providers of security keys using the Fast Identity Online (FIDO2) passwordless authentication protocols. These keys allow you to sign in to your work or school account to access your organization's cloud-based resources when on a supported device and web browser.

正版 Windows 由 Microsoft 发布，并由 Microsoft 或值得信赖的合作伙伴授予相应许可并提供支持。 你需要正版 Windows 才能访问可选的更新和下载，以帮助你充分利用电脑。

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.

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了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.