Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

This article describes the formula syntax and usage of the ROUNDUP function in Microsoft Excel.. Description. Rounds a number up, away from 0 (zero). Syntax. ROUNDUP(number, num_digits)

Learn how to contact Microsoft Store support to get help for your payment and billing issue.

Find out which power supply model goes with your Surface device—including the power supply model number, power and wattage, and USB charging port.

Voice Recorder has lots of options like adding markers to identify key moments, and the ability to trim, rename, and share your recordings.

This topic offers troubleshooting tips if you don't have the Teams Meeting add-in in Outlook for Windows. The add-in helps you set up a Teams meeting from your Outlook email.

How to use Storage Sense to free up hard drive space on your Windows device.

Highlights. This update addresses non-security issues for your Windows operating system.