To turn it off, switch the setting to Off.. Turning off Microsoft Defender Firewall could make your device (and network, if you have one) more vulnerable to unauthorized access.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Aprende a actualizar controladores en Windows usando Administrador de dispositivos para actualizar o reinstalar un controlador.

Most email apps like Outlook are able to automatically configure email server settings. If you need server settings or help finding your server settings, click on one of the links below:

Learn how to stop, cancel or pause uploads and downloads in OneDrive.

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.

How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.

Learn how to deal with phishing or spoofing scams or abusive messages in Outlook.com.

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