For pre-sales support, or issues with purchasing, contact Sales support. Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

You can view and clear your Microsoft Edge browsing history stored on a single device, across all synced devices, and in the cloud. You may choose to clear your browsing history at any time.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more info, see Shop and earn Microsoft Rewards points. Explore the earn page and the points breakdown page.

To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with. If you encounter issues while using messages, our troubleshooting tips may help.

有关售前支持或购买问题， 请联系销售支持人员 。. 此信息是否有帮助? 了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。.

Hotmail 现在为 Outlook.com. 若要登录到 Hotmail，需要提供 Microsoft 帐户用户名和密码。. 登录. 提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“ 是 ”（对于共享计算机，不建议这样做）。. 或者，选中“不再显示此内容”框，然后 ...