When you enter a recipient's name in the Bcc (blind carbon copy) field of an email, that recipient receives a copy of the email without their name being visible to the other recipients.

Learn what to do if you receive error 0x80070490 or 80070490 while trying to use your Xbox console or Windows device.

How to use the SUMPRODUCT function in Excel, one of Excel’s math and trig functions, using multiplication, addition, subtraction, and/or division to return the sum of the products of corresponding ranges or arrays.

If you see error 0x87e00064, check the Xbox service status. Find more solutions here.

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.

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

Microsoft Support

The solutions on this page can help resolve issues purchasing content or downloading free content from the Xbox 360 Marketplace.

The latest Windows 11 2025 Update builds on the innovations introduced in the 2024 release, delivering a more polished, secure, and intelligent Windows experience. While this update doesn’t introduce major new features, it activates enhancements that have been gradually rolled out over the past year ensuring your device is up to date with the latest refinements. Built by listening to your ...

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.