The file is a compressed archive that likely contains documents related to economics, as the Hungarian title translates to "Wonderland of Economic Subjects."

Be aware that some browsers (like Safari) may incorrectly try to display the raw code of a .7z file as plain text, which will look like unreadable gibberish.

Do you need help to open this file on your current device?

Because it is a file, it is not a standard text document that can be read directly; instead, it is a container used to shrink the size of one or multiple files. To view the actual text inside, you must first extract the contents. How to Access the Contents

Only open this archive if you received it from a trusted source . Like any compressed folder, .7z files can potentially hide malicious software.

You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. How to open 7z files - Trend Micro Help Center

You can often right-click the file and select "Extract All" to open it directly in File Explorer . If that doesn't work, you will need a free utility like 7-Zip or WinZip .