Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.

This page provides phone numbers of Microsoft customer service.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

The Planner app in Microsoft Teams brings together all your tasks and plans across the Microsoft 365 ecosystem in a single convenient location. It helps you manage tasks more efficiently for individual plans and team initiatives, as well as larger scale projects that are aligned to goals and key strategic objectives.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

See how to install Project 2013 and 2016 and Project Pro for Office 365.