Load uploaded files in browser window instead of download

I'm trying to populate a "press" page for a client, and they want to make sure that links to articles, videos, etc. never break or show a 404 message from the origin site. In order to help with this, I downloaded each linked page as a .mhtml file to capture the page as it was when originally posted. I then uploaded these files into my squarespace site to be referenced as links. However, when the link is clicked on, it automatically opens a blank browser page and downloads the file.

Is there a way to have this file automatically open in a new browser tab instead of downloading? Is this the wrong way to go about this? 

Thanks for any and all help!

Hi,
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