I'm using Outlook in my iMac Pro running Big Sur 11.1, and when I click a link in an email, two FF windows open, one with my default homepage and the other from the link. This only happens when FF isn't already open. I've adjusted the settings to no avail, and then reset FF but the problem remains. It doesn't do this with other browsers when set as the default, just FF. I see other posts relating to this issue, but cannot find the solution - if there is one? Thank you.