This page provides phone numbers of Microsoft customer service.

How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.

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.

How to use a PivotTable in Excel to calculate, summarize, and analyze your worksheet data to see hidden patterns and trends.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

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

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.