Windows File Explorer helps you find, open, organize, and manage files and folders on your PC and in the cloud.

The Open tab on the File menu shows a list of files you've recently opened, and it includes links to places where you commonly store files.

Use Windows Search in the taskbar or File Explorer to quickly locate files, apps, and settings. Integrated search helps return relevant results quickly, reducing time spent navigating folders.

Oct 22, 2025 · If you are confident in the safety of both the file and its source, you may remove the internet security block. To remove the block for a downloaded file, right-click the file in File Explorer, …

Mar 10, 2026 · It adds a warning dialog that helps you confirm that the file you select comes from a trusted source. If you've already installed previous updates, your device will download and install …

Find out supported file formats by Microsoft Copilot and how to upload files to use your AI assistant for everyday life.

How to restore an Excel file to an older version when the file can no longer be opened. There are scenarios in which files become corrupted and can't be opens in Excel anymore.

Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.

To check the total disk space left on your Windows 10 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.

Get a list of the file formats supported by Microsoft 365 Copilot and troubleshooting tips.