Learn how to use and customize ActiveX controls and filtering in Internet Explorer.

Training: Get up and running quickly on Skype for Business with this Quick Start.

How to use the HLOOKUP function in Excel to locate specific data from a row in a table.

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.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.

Training: Use rules to organize your email in Outlook. Create a rule based on a message, or from a template. Watch this online video to learn how.

Discover the latest features and updates for Microsoft Teams with the regularly updated release notes on Microsoft Support.

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