Find answers to frequently asked questions about Windows Update Delivery Optimization.

Use your keyboard to move around Microsoft Teams views, open menus, send messages, start and end calls, and more.

Microsoft doesn't make or support Outlook Express anymore. But the Mail Migration add-on can help you move your email and contacts over to Outlook.com. The add-on automatically moves your email and contacts, and you can keep your current email address.

Describes an update for Universal C Runtime (CRT) in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, Windows RT, Windows Server 2012, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows Vista SP2, or Windows Server 2008 SP2.

Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.

The ability to send items from multiple devices. Sent items cannot be synchronized using POP and can only be saved on the device from which they originated.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.

The new experience for recording your presentation in PowerPoint for Windows. Currently available for Office Insiders only.

A Microsoft account is a personal account required for access to Microsoft’s products and services.