: Sam right-clicked his "SS" folder and selected "Add to SS.7z." Behind the scenes, the computer used the LZMA2 algorithm . It looked for patterns in the data—like the repeated blue pixels in the sky of every screenshot—and replaced them with short mathematical codes.
Once, there was a digital designer named Sam who had a folder named (short for Screenshots). It was overflowing with 500 high-resolution images of his latest project. These files were massive, taking up gigabytes of space, making them impossible to email or store efficiently. Sam decided to use a tool called 7-Zip to help. : Sam right-clicked his "SS" folder and selected "Add to SS
How do I search the content of 7-Zip archives (.7z)? - Super User taking up gigabytes of space