A complete list of all Excel functions in alphabetical order.

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With the Microsoft Forms Quick Poll add-in for Outlook or Outlook Web App, you can create a poll in seconds right within an email message.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

Learn how to enable live captions in Teams meetings and see real-time subtitles for what's said. Improve your accessibility and comprehension.

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Learn how to use Microsoft Defender Offline to help remove malicious software and other potential threats.

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.