What is a RAR & How they reduce file size?
According to Wikipedia Archive Files are:-
"An archive file is a computer file that is composed of one or more files along with metadata. Archive files are used to collect multiple data files together into a single file for easier portability and storage, or simply to compress files to use less storage space. Archive files often store directory structures, error detection and correction information, arbitrary comments, and sometimes use built-in encryption."
Users use RAR files to compress their files into a single file, so the file size will be smaller. And because RAR file has smaller size, they are easy to store, share and download.
Here are some examples of Compressed RAR Files -
Highly Compress RAR Files
What is RAR Full Form?
The name RAR stands for Roshal Archive.
Best software to extract and create RAR files for Windows PC?
What is the RAR file format extension?