how can you change www.microsoft.com%5cFolder to www.microsoft.com\Folder

Question

I have printed qr code which is taking to an address which has %5c at the end of the domain instead of \ on Azure, not a web url(www.microsoft.com%5cFolder to www.microsoft.com\Folder). I can't change the qr code. Is there any way this can be rectified? I know there is a replace code for HTML, but not sure how it to do it for this