Sharing folder

I created a folder that I would like to share. Inside are three .mov files and two .heic files. Next, I clicked the three dots to the right of the folder and selected share, get link. I copied this link and pasted it into my url bar and none of the .mov files or .heic files show up properly. They all appear blank. How can I fix this? The files appear just fine when I don't use the share link.