To include or exclude files and folders from the cleaning process, see this topic and this topic.

Some things to consider changing before you run CCleaner's cleaning process (make these changes before you run the cleaning): What should you consider before running a clean? You can change its settings extensively, which you might want to do if you want to keep some information, add more items to be cleaned, or make any other changes. Before you clean your Mac:ĬCleaner for Mac will run well using its default options. You can still use it as a normal or restricted user, but OS X may prevent you from deleting certain files. Note: You should be logged in to an administrator account to use CCleaner. You can also find helpful information about the latest version of our macOS app.ĬCleaner can clean unneeded files and settings for Web browsers and many installed applications on your system, as well as OS X features.

Note: this article is relevant to version 1.18.30 of CCleaner for Mac and below.

Mac junk cleaner