You could be at risk of a huge cache of data sitting on your hard drive, and some of that might contain personal user information. Although there are some suggestions that these folders are emptied every three days, other research into this suggests that that isn’t true. It makes cache data more secure and keeps everything in one place instead of scattered around multiple files and folders. This way, cache data - which Apple is keen to store - is not transferring data over a network. This means that this is a temporary or cache file that is not in the Home folder. According to Apple developer information, the var folder refers to “per-user temporary files and caches.” It was designed to improve permissions (rwxr-xr-x) over previous temp and cache locations, such as the /Library/Caches and /tmp folders.

But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X.Īlthough there is little in the way of documentation online, it’s clear that the var folder was designed to improve operating security. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.