Resetting the folder options settings is a quick way to fix any possible setting that may be preventing the preview pane from functioning properly. If you are still having troubles with the preview pane, try the next solution. Now check whether you can preview files in the preview pane or not. This setting is also in the folder options window. There have been discussions in the Microsoft Forum where users have revealed that making File Explorer open to This PC instead of Quick Access fixes the preview pane not working problem.
Press Windows Key + R, and it will open up the Run dialog box.If any corrupted files are detected, the utility fixes them. System File Checker or SFC is a built-in Windows utility that scans your computer for any corrupted or missing system files.
