If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.

This page provides phone numbers of Microsoft customer service.

Lists Text functions, such as the Clean, Proper, and Trim functions.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to fix graphics device driver error code 43 in Windows 10.

If the file size of your Word document is too large, try the following tips to make it more manageable.

Learn how to create and use a VPN connection profile on Windows for secure and private internet access.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values.