If you must examine the file, never do so on your primary machine. Use a or a "sandbox" environment.

We've all been there: a file with a curious name like natalkak.zip appears in your downloads, or perhaps you've encountered it while browsing community forums. Before you double-click, it’s vital to understand what you’re looking at and how to stay safe. 1. Identify the Source

Tools like Any.run or Joe Sandbox allow you to see what a file does without risking your actual data.