Learn how to use the System File Checker tool (SFC.exe) to scan and restore missing or corrupted system files in Windows. Follow the steps to run the tool, view the details, and manually replace the corrupted files if needed.

Learn how to find and restore files, folders, or items that are missing, deleted, or corrupted in SharePoint or OneDrive for work or school. Follow the steps to check the recycle bin, the audit log, the version history, or contact support.

Learn how to use the Inbox Repair tool (scanpst.exe) to diagnose and fix errors in your Outlook data files. Find out how to locate, back up, and recover your Outlook data files from the backup file (.bak).

Learn how to obtain and install the latest update for .NET 6.0, which contains both security and non-security fixes. This update is available on Microsoft Update, WSUS and MU Catalog for Windows client and server operating systems.

Learn how to update your Xbox Series X|S or Xbox One console by downloading a file to a USB flash drive and installing it manually. Find troubleshooting steps for common update errors and how to restore your console to factory defaults.

Windows.old folder is where your personal files are temporarily saved when you upgrade, reset, refresh, or reinstall Windows 8.1. Learn how to access and copy your files from Windows.old folder within 28 days of installation.

Learn how to fix corrupted or incompatible Excel files by restoring them to older versions using the version history feature. Follow the steps to access the file, select a previous version, and replace the current one.

Learn how to control which apps can access your file system in Windows 10 and 11. See how to turn on or off file system access for individual apps and services, and how to manage exceptions and privacy concerns.

Learn how to encrypt a drive or drives on Windows 10 or 11 devices using BitLocker Drive Encryption. Find out how to access, enable, and manage BitLocker Drive Encryption using the Control Panel.

Learn how to update your Surface device with the latest drivers and firmware for Windows 10 or Windows 11. Find links for automatic and manual updates, and check your Surface model and OS build.