See how to view the details for signatures and certificates.

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 ...

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As part of our compliance programme for the UK Online Safety Act and our ongoing investments in tools and technologies that help ensure age-appropriate experiences, we’ve introduced age verification for Microsoft accounts in the UK. This article is designed to guide you through the process, explain why verification is required, and help you understand what to expect. Whether you're setting ...

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About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.

Protect yourself from phishing Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which ...

Beta Ring (2604.260407-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

Learn how to identify and open encrypted and protected emails no matter what email client you're using.