Questions and answers about artificial intelligence (AI), and how it's used in Microsoft products such as Microsoft Copilot.

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.

Saiba como encontrar uma chave de produto do Windows para ativação e quando você usará uma licença digital.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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

Learn how to change your presence settings to automatically wake up your Windows 11 PC when you approach.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Important: When you close your Microsoft account, your email and contacts are deleted from our servers and can't be recovered.If you use your Microsoft account with Xbox, Skype, OneDrive, or other Microsoft services, you'll no longer be able to access those services.