Because "New Folder" is a generic name, you should exercise caution before opening it, especially if you received it from an unknown source:
The name "Új mappa" is and the .7z extension indicates it is a compressed archive created with 7-Zip . Because this is a generic default name (like "New Folder.zip"), the contents could be anything from personal photos to software backups. To help you manage or open this file, 📂 What is "Új mappa.7z"? Format : It is a 7-Zip compressed archive . Гљj mappa.7z
: If you open the archive and see files ending in .exe , .bat , or .js , do not run them unless you are certain they are safe. Because "New Folder" is a generic name, you
: If you didn't create this file yourself, ask the sender what it contains. Format : It is a 7-Zip compressed archive
If you tell me more about or what you expect to be inside , I can give you more specific advice. For example: Did you download it from a website ? Is it an old backup you found on a hard drive?