On Solidworks 2020, we encounter differences in the options checked by default for the Unfold feature.
On some machines, the Face Merge option is checked by default and we're very happy... But on other machines, you have to edit the function for each unfolded and check the merge option each time. It's rather painful or very laborious to put it politely.
Tell me there's a way to enable it by default on this rebellious machine and you'll save my week... I remind you that I only have 2 days on Solidworks , that's why this manipulation may have escaped me...