You can use tools like 7-Zip or PeaZip to open and extract .rar files for free. Mobile: Use the RAR app on Google Play for Android devices. Key RAR Features
However, if you are looking to work with a (a compressed archive format), here is how you can "put together" or extract its contents: How to Use a .RAR File TOMEDdErbe rar
A (Roshal Archive) file is a "container" that bundles multiple files into one smaller package for easier sharing. You can use tools like 7-Zip or PeaZip to open and extract
You typically need proprietary software like WinRAR . Once installed, you can right-click any folder or group of files and select "Add to archive..." to create a new .rar file. To Extract (Open): TOMEDdErbe rar