Recently downloaded PS

I use Canva for a lot of art I do. I recently downloaded PS and as a result all of my downloads from Canva has a PS next them them as they download AND when i re upload them to canva they are not editable. I want to keep PS but I do not want all my PNG downloads to be associated with PS. Where on my PC can I change the master settings for when something is downloaded it does not associate with PS or is this a PS setting?

Thanks!