Learn how to recover files that have been lost, deleted, or accidentally changed.

Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.

How to correct a #SPILL error in Excel (when a formula returns multiple results and cannot return them to the grid).

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

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.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

To mark a message as important or urgent in Microsoft Teams, select Set Delivery Options ! beneath the compose box and then click Important or Urgent.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.