
Hi @Exc_Ad
I made a test with outlook login and I think I can understand what do you mean.
I sign in with outlook account on https://outlook.live.com/owa/, then clear the browser data with Ctrl Shift Del keys. When I refresh the page after clearing, I was logged out on Edge Chromium, but I was still logged in on Edge Legacy.
I found that, on Edge Legacy, you can only delete the cookies using F12-Debugger-Cookies then you can log out totally without closing the browser. That's why the vbs script can't work with Edge Legacy.
So if you want to simulate log out on Edge Legacy without closing the browser, I think you can only delete all the cookies under F12-Debugger-Cookies.
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Regards,
Yu Zhou