No you cannot run Outlook Express on Windows 7. Because I have tried copying the program files from my Windows XP computer onto my Windows 7 computer and it does not work. And does not even work on Windows Vista.
However you can run Windows Mail for Windows Vista on Windows 7. Which I have installed on my Windows 7 and now on Windows 8.
Windows Mail is a lot like Outlook Express.
It is simple in appearance and works the same way as Outlook Express does. If you have a Windows Vista computer you can install on Windows 7. Just by copying the Windows Mail program files from Windows Vista onto Windows 7. You just have to delete the Windows 7 Windows Mail program file,on Windows 7 first.Which is inactive. And replace it with the Windows...