Troubleshoots and fixes common issues with file and folder operations in Windows.

Learn how to use the DxDiag.exe tool to collect system information useful for troubleshooting problems with Microsoft Casual Games.

When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

You can preview hundreds of file types in Microsoft Teams, OneDrive, and SharePoint, without installing the application used to create the file. The previews and thumbnail images appear in the web view and for customers using Files On-Demand in Windows 10.

To access the code, you'll need a tool for reading MSI files—which is typically available to IT professionals. You'll find the product code in the property table of the MSI file.

Find and open File Explorer in Windows, and customize Quick access by pinning and removing files and folders.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Resolve issues where you open a file on a Windows based computer, and the file starts a different program.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

Starting with Windows security updates released on and after October 14, 2025, File Explorer automatically disables the preview feature for files downloaded from the internet.