Microsoft gave all the details in its KB5031455 Preview cumulative update notes, but don't expect the new feature to appear on your PC automatically. So make sure you're downloading the legitimate software from the original makers. If they are, then you'll need the software to unlock the files. Windows 11 can only work these new file archives if they aren't password protected. 'May not' being the key words, though, as there is a large omission in this update. With support for new file types, you may not need the additional software anymore. Overall, it's good news, as one common malware vector is fake 7-zip and WinRar apps, often spread through hijacked ad listings in search engine results, or to exploit flaws in the programs directly. Those two archive types are abundantly popular, even to this day, so they often require additional downloads. For those, you still needed to download 7-Zip or WinRar.
While Windows could already handle ZIP files, it didn't work with. Best Hosted Endpoint Protection and Security Software.
