The download links are tested for legitimacy on a regular basis, however, your internet connection might be the issue. The fact that NONE of our files have been corrupted! This is the only thing that we are absolutely certain about. Excel will report that the file is corrupted if the downloading was done in an unsafe manner.
1) Make a copy of the URL for the download, and then try opening it in a different web browser.
2) Make a copy of the download URL and attempt it with a different internet connection. If you are using the internet at work, there is a possibility that your connection will be restricted; in this case, you should use the internet connection on your mobile device.
3) If the above two didn’t work for you, just let us know.