Dear Dave
Greetings of the Day!
I tried your option, when all done and restart I was happy to see that all .TMP files were gone.
But when I am reworking in the same folder (generally with Excel) that is generating .TMP files again.
When ever I am trying to delete these files, it goes with Ctrl+Shift (ONLY) and when I refresh the page/re-login the folder all the .TMP files are present.
Attaching screenshot for your reference.
Please advise.
Best Regards