Double-click zip file when you want to open it. This contains all of the files and folders you selected to be compressed. Once your Mac has finished compressing the files or folders, you'll see a zip file.This could take a couple minutes depending on the size of the files or the folders. A window will appear indicating that your Mac is compressing the files or folders.Select "Compress file name". If you want to compress four files at the same time, just right-click them and choose "Compress 4 Items". Right-click or control-click on the file to bring up the pop-up menu.You can select multiple files and folders by holding down the Shift key (for multiple items) or the Command key (for several individual items) and clicking. Select the file or folder in the Finder.
#Heavily compress a zip file on a mac how to#
How to compress files and folders on Mac by using its built-in compression tool? Below we will show you the detailed operating steps of the two ways to compress files and folders on your Mac.
#Heavily compress a zip file on a mac professional#
So you'd better use a professional third-party Mac file compressor - Cisdem Unarchiver to help you compress large files and folders. Secondly, the Mac's built-in compression and decompression option uses the ZIP format, and if the files are large, you won't be able to use your Mac operating system's built-in compression tool to compress them. This feature works best with medium size files - compressing lots of small files or one or two big files won't save you much space. Generally speaking, a zip file will be about 10% smaller than all of the files were before compressing. Firstly, you have to understand that not all files can be compressed by a significant amount and you may not be able to compress a file much smaller than its original size. Things you need to know before compressing files and foldersīefore you start to compress files and folders, there are two things you have to know. But don't worry! Here I'll show you how to use Mac's built-in file compression tool and a highly recommended Mac file compressor to compress files or folders on Mac. In general, compressing files in modern operating systems is a complex technique to learn. If you have lots of large files or folders on your Mac, it is wise to compress them in order to get more free space, for compressed files take up less space on your Mac's hard disk than uncompressed files.
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