This post will help you if you cannot select more than one file or folder at a time, either by using Select All or Ctrl+A keyboard combo in Windows 11/10.

Select multiple files fast with a hidden Windows Explorer feature, show file extensions, and rename downloaded setup files.

Select multiple files by holding down Ctrl and selecting the files with your mouse. Then hit Enter, or right-click on one of the files and select the appropriate option.

In earlier versions of Windows, you could select multiple files in an Explorer window and change the sort-by option without losing your selection. Tweak the Registry to return the capability to ...