: Run the zip file through a service like VirusTotal to ensure it doesn't contain malware.

Since I don't have access to your local files or the specific email attachment labeled , I cannot extract its actual contents directly. However, based on common naming conventions in tech and research, a file named "Calendula" usually refers to one of the following:

: Most modern operating systems allow you to double-click a .zip to see the file names inside without actually "running" or fully unpacking them.