Learn how to troubleshoot sound or audio issues in Windows 11 or Windows 10 with step-by-step instructions and tips. Check your speaker output, run the audio troubleshooter, update or uninstall your audio driver, and more.

Hotmail is now Outlook.com, but you can still access your email account with the same username and password. Learn how to sign in, troubleshoot common issues, and get help with Outlook.com features and services.

Learn how to turn on Bluetooth and pair various devices with your PC, such as keyboards, mice, phones, speakers, and more. Find out how to use Swift Pair, fix Bluetooth problems, and adjust Bluetooth pairing settings in Windows 11 and earlier versions.

Learn how to access and send email from a shared mailbox that is created and managed by your Microsoft 365 admin. Find out how to use the shared calendar, contact list, and search features of a shared mailbox in Outlook.

Learn how to reinstall Windows 11 using installation media, such as a USB drive, SD card, or external hard drive. Compare different options and requirements for resetting, reinstalling, or cleaning your PC.

Learn how to use a security key with a unique PIN to sign in to your work or school account without a password. Find out how to register, delete, reset, and manage your security key settings from Windows Settings.

Learn how to update your Xbox gamertag on the web, your Xbox console, and your Windows device. Find out the rules, fees, and tips for creating a new gamertag that reflects your identity on the Xbox network.

Learn how to set up a proxy server connection on your Windows 11 or Windows 10 PC. Find out how to use a proxy server automatically, with a setup script, or manually, and how to set up a proxy server for a VPN connection.

Learn how to access and manage a shared mailbox that appears in the address book using Outlook Web App or a desktop version of Outlook. Find out how to send email, use a shared calendar, and add a shared mailbox to your folder list.

Learn how to insert a full-width horizontal rule in Word or Outlook using a three-character shortcut. You can also format, cancel, or turn off the line feature.