Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Find out what steps you can take if an incompatible driver in preventing you from turning on the Memory integrity setting in Windows Security.

Modern Authentication Methods now needed to continue syncing Outlook Email in non-Microsoft email apps

Microsoft Office has a feature that lets you send Outlook, Word, Excel, and PowerPoint files as Internet faxes. This feature relies on having the Windows Fax Printer Driver or Fax Services installed on the computer to send the faxes.

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

In the new Outlook for Windows, a toggle appears at the top right of the Outlook window. While the toggle is turned on, if you try to launch classic Outlook for Windows or Windows Mail you'll be automatically redirected to new Outlook for Windows.

Learn about Surface Book 3 and its features. Scenarios. Next-gen, pro-grade performance for graphic design, app development, video and social content creation—and the best, most immersive gaming on a Surface laptop

You can add your credit card, debit card, bank account, PayPal account, or mobile phone as a new payment method for your Microsoft account.

Learn how to get to and manage your contacts in the People app.