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

See a list of options available for starting Windows in diagnostic modes such as safe mode.

Learn how to change the settings that enable or disable macros in Excel, and more. Change the macro security settings to control which macros run when you open a workbook.

When you enter a recipient's name in the Bcc (blind carbon copy) field of an email, that recipient receives a copy of the email without their name being visible to the other recipients.

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio.

Use Find my device to locate and lock your lost or stolen Windows devices.

Open Microsoft Edge, select Settings and more (...), and then select Settings. Look for your version under About Microsoft Edge.

This page provides phone numbers of Microsoft customer service.