So it is possible to open RAR files on Windows 10 for free, and without paying anything. However, it is possible that you might miss the extended functionality of the original software. File Extension RAR. A RAR file is a compressed file that can contain any number of files and folders inside it. On Microsoft Windows, RAR files are assigned the file eliminarlasvarices.onlines by default cannot open RAR files but you can install free 3rd party software such as Zipware to open them. RAR files are useful because they allow many files and folders to be bundled together into a single. Sep 06, · There are a variety of applications on Windows that can open RAR files. The default choice is WinRAR, made by the developers of the RAR file format, but it’s not a free app. If you want to create RAR files, WinRAR is your best bet. However, if you just need to extract a RAR file, the free and open source 7-Zip app is a better eliminarlasvarices.online: Taylor Gibb. Nov 19, · Open any RAR file in seconds, for free! New update: Now in addition to RAR, it handles dozens of popular archives, like 7Z, Zip, TAR, LZH, etc. RAR Opener is a tiny, fast app that opens RAR files, extracts them, and gets out of your way. It's been downloaded millions of times by users just like you who want a simple app for a simple job.4/5().