Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Summary. Microsoft Office Excel support Automation Add-ins in addition to Component Object Model (COM) Add-ins. This article explains the differences between these two types of Add-ins.

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

Learn how to sign in to your Hotmail account, now known as Outlook.com, and access your emails.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Select Home > Get Add-ins. Search for Emoji, choose an add-in, and select Add. Follow any additional instructions to learn how to use it. Need more help? Want more options? Discover Community. Explore subscription benefits, browse training courses, learn how to secure your device, and more.