Open Files and Folders With a Single Click Select Items Using Checkboxes in File Explorer Customize Folder Icons in File Explorer Pin or Unpin Folders From Quick Access Switch File Explorer to ...

There can be many reasons why the Mouse double-click does not open files & folders in Windows. Here are some fixes to resolve this issue.

If you tend to pair Chrome for search and Notepad for writing at the same time, it may automatically pick up on that and allow you to open them up from the Start menu in a single click.