Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Multiple IF functions can be nested together to allow for multiple criteria. The Excel IF function statement allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False.

Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

Explore your options and settings when you install add-ins.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon).. Here are some things to try if File Explorer won't open.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

How to use the IF function in Excel to make logical comparisons between data values.