Use a ready signature template from a gallery to create your email signature in Outlook.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

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Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

The default authentication method is to use the free Microsoft Authenticator app. If you have it installed on your mobile device, select Next and follow the prompts to add this account.

If your gamertag uses non-Latin-based characters, your previous gamertag will continue to appear for older, classic experiences, such as some games and Xbox websites, while your new gamertag will appear on modern experiences, such as your Xbox console and the Xbox apps for PC and mobile.

Many apps allow you to authenticate by entering a code on another device such as a PC. If you want to sign in on a remote computer to install Authenticator, follow these steps.

Choose This was me if you recognize the activity as yours. By choosing this option, you'll let us know we don't need to block your account. We may mark activity as unusual if you use your account on vacation, get a new device, or allow an app to sign in as you.

Why is my Microsoft account temporarily suspended? Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement. Here are some common reasons why accounts are locked, though not all account locks occur for these reasons: Malware, phishing, and other harmful activities Microsoft forbids the use of our services for: Malware: Sending intentionally ...