Learn about the data breach of National Public Data, an online background check and fraud prevention service, that exposed up to 2.9 billion records of personal data. Find out the risks, the steps to protect yourself, and the benefits of Microsoft Defender for Individuals.

Learn how to encrypt an email message in Outlook using Microsoft 365 Message Encryption or S/MIME encryption. Choose the encryption option that suits your needs and follow the instructions for your Outlook version.

Learn how to use @mentions to get someone's attention in a channel conversation or a chat in Microsoft Teams. Find out how to @mention an entire group by typing @general, @team, or @channel, or by typing @everyone in a chat.

Learn how to download and set up Microsoft 365 products on your PC or Mac, including Office 2019, Office 2016, and Office 2013. Find out how to activate, customize, and troubleshoot your installation.

Learn how to use the @ symbol to get someone's attention in Outlook messages or invites. Find out how to filter, view, and customize @mentions in different versions of Outlook.

Learn how to download and install Microsoft 365 or Office 2021 on your device, whether you have a Microsoft account, a work or school account, or a product key. Find out how to activate the apps, troubleshoot issues, and get support.

Learn how to access your Outlook.com, Hotmail, Live, or MSN email account with your Microsoft Account username and password. Find solutions for common sign-in problems, such as unusual activity, account troubleshooter, and automatic sign-in.

Learn how to use the TRANSLATE function in Excel to translate text from one language to another using Microsoft Translation Services. See the syntax, arguments, examples and common errors of this function.

Find self-help options and live chat with a Microsoft specialist for Microsoft 365, Office, Windows, Xbox, Surface, and more. Sign in to get the right help and support for your product or service.

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