Once in the Library folder, locate and open the “Caches” folder.From the Go menu options, select Library.Hold down SHIFT (Sierra) or OPTION / ALT (previously) and drag down the Finder “Go” menu.Exit all actively open Mac applications.When the new backup is complete, you can delete and clear the cache and temp files from the active user by following these steps: How to clean all caches and temporary files from your Macīack up with your Mac Time Machine before you begin. Backup ensures that if you are fooled or if something goes wrong, you have a recent backup that you can use to restore your computer. You should always back up your Mac before performing such steps.
If you have no particular reason to clear your Mac’s cache, don’t do it.
Sometimes it can help the performance of a particular application, but usually it doesn’t. Despite what some “cleaner” apps might claim, cleaning your Mac’s cache and temporary files won’t give your computer magical super performance or make you more popular with women and men, it’s all about deleting temporary files from your computer. In general, you only want to move caches if they push a large amount of storage capacity, or if a particular application isn’t working properly or is showing outdated information from your old cache.
Clear this is not a recommended task, and clearing caches and temporary files on your Mac is not something you need to do.