How to compress files to the minimum?

1, first select the file you want to compress, and then right-click on any file in the file you have selected and select Add to compressed file:

2, in the pop-up dialog box click the "Browse" button:

3, select the location of the compressed file saved:

4, the next is the most important step, "compression mode" must choose "Best", which is the way to maximize compression:

5, then we can look at the following two figure is the general direct compression, the following figure is the "best" compression method of compression:

The above is the success of the file compression to the extent of minimizing.