Fix Can't open online-only file on OneDrive. The error displays even when you are online and trying to download files.

While you can access downloaded files from the Downloads application, you need a third-party file browser to open files stored in other locations.

If Windows struggles to open JPG files, here are a few things you can do.

I have a folder full of .MHT files created by selecting "Save As "Web Archive, Single File". I have never had any trouble opening them on my PC, or any other PC running a current version of IE ...