According to Apple, cached data on your Mac computer speeds up the downloading of Apple software as well as the data users store in iCloud by 'saving content that local Mac computers, iOS devices, and Apple TV devices have already downloaded,' and cached data is 'available for other devices to retrieve without going out over the Internet.'Ĭaching is especially important if your Mac is set up with wired ethernet, rather than relying on Wifi. But what exactly is caching, and why do our devices use it?Ĭached data consists of the various temporary files that exist on a reserved area of your computer. You may have heard that it's important to clear the cache on your various electronic devices every once in a while. Luckily, it's easy to get those cached files deleted from your Mac (even if your shortcut buttons aren't working).But it's important to clear your cache periodically because it can help protect your identity and make your computer's applications run more efficiently.

Those files help reduce internet data usage and speed software installation on your Mac.When you clear your Mac computer's cached data, you're deleting the temporary media files, like images and text files, that it gathers from the sites you visit.

How to clean macbook pro cache