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.

Add or remove a digital signature in Office files. Get a digital ID. Find digital ID or digital signature services. About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

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.

Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions. Select the subscription that you want to manage. From here, you can view your plan, expiration date, billing history, subscription status, and change how you pay.

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

To sign into your Microsoft account with a passkey, follow these steps whenever you get a sign-in prompt. Choose Sign-in options, or Other ways to sign in. Select Face, Fingerprint, PIN, or security key. Select your passkey from the list available.

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).

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.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: By selecting the ‘I accept’ option of Remote Assistance support from ...