I have a folder full of .MHT files created by selecting "Save As "Web Archive, Single File". I have never had any trouble opening them on my PC, or any other PC running a current version of IE ...

I often write articles for my website that refer to other web sites that will most likely not be around in the future so I sometimes use Internet Explorer to save a "web archive single file" *.mht ...

One of File Explorer's largest limitations is the inability to remember tabs or open preselect pages. This simple script will help you fix that and open several File Explorer tabs upon launch.