Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Janalisa,
Your best bet is to copy the link out of the address bar and paste it into a mail.
Another thing a lot of us who work on Sway do is to go to your My Sways page, take a screenshot, cut out the thumbnail of the Sway you want to share, paste that into your mail, and then put a hyperlink on the image with the link from your browser's address bar. Then you end up with something like this:
Hope this helps!
Jason