Folder.rar -

You can password-protect these archives to keep sensitive contents private.

While you can't easily create RARs with built-in tools, you can open them using free apps like The Unarchiver or UnRarX . folder.rar

It turns a messy collection of 100 photos into a single folder.rar , making it much easier to email or upload. You can password-protect these archives to keep sensitive

RAR files use advanced algorithms to shrink data more effectively than standard ZIP files. folder.rar