1. Open Quark browser, enter the page, and click the "three horizons" icon in the lower right corner.

2. In the new window page that pops up, select and click the "Network Disk" option.

3. After entering the quark network disk page, click "Document".

4. Select and click "Compressed Package".

5. After entering the compressed package page, select and click the file to be compressed.

6. After entering the details page, click "Extract All Files" at the top of the page.