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.

With message recall, a message that you sent is retrieved from the mailboxes of the recipients who haven’t yet opened it. You can also substitute a replacement message. For example, if you forgot to include an attachment, you can try to retract the message, and then send a replacement message that has the attachment.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

Messages received from any email address or domain in your safe senders and recipients list are never sent to your Junk Email folder. IMPORTANT: The server that hosts your mailbox may have junk email filtering settings that block messages before they reach your mailbox.

尝试在 Xbox 主机上进行购买时看到以下错误消息： 已阻止您的账户在 Microsoft Store 中进行购买。 有关详细信息，请转到 Xbox.com/PurchaseBlock

To find a customer service phone number in your country, please click a region and find your country. Note: Support cases for Surface devices may only be initiated online.

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

Hotmail が Outlook.com になりました。. サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。.

Para entrar no Hotmail, você precisará do seu nome de usuário e senha da conta Microsoft. Dicas: Ao entrar, selecione Sim no prompt "Permanecer conectado?" se você quiser ir direto para sua caixa de correio na próxima vez (não recomendado para computadores compartilhados).