If this was part of a specific Capture The Flag (CTF) event, knowing the event name (e.g., PicoCTF, HackTheBox, TryHackMe) would help in finding the specific solution.
Use a service like VirusTotal to check if the archive contains malicious scripts or executables.
If you can provide more context about or what the goal of the challenge is , I can help you reverse-engineer it or find the specific steps to solve it.
A compressed collection of academic or institutional materials (the word "colegial" relates to "school" or "collegiate" in Spanish/Portuguese).
