System logs: The files that store information about the activity of system applications and services. Use logs: The files that record user activity on your Mac. Mac cache: Cache files that are created by macOS and system applications to run more quickly.Īpp cache: Cache files that are generated by apps on your Mac. System junk files can be categorized into Mac cache, app cache, system log files, user log files, localization files. Here are what system junk files are and how to delete them on Mac. Most junk files on Mac are the files generated by the Mac system. Read on to learn how to get rid of junk files on Mac with FonePaw MacMaster. Based on a gigantic Safety Database, FonePaw MacMaster can identify junk files precisely and clear junk files from Mac effectively so that you don't have to worry about important files are deleted mistakenly.īesides clearing junk files, MacMaster can clean your Mac by removing duplicated files, applications, and data, browsing history, and more.

You'll be surprised by how much free space you can regain after cleaning up junk files with FonePaw MacMaster.įonePaw MacMaster is a junk cleaner that is capable of removing Mac junk files that are difficult to be found and deleted by users themselves, such as system caches, app caches, user logs, iTunes junks. This post will show you how to delete junk files on Mac with a Mac junk cleaner: FonePaw MacMaster. While the junk files are less obvious on the Mac, you can't clean junk files as easily as deleting the documents or media files that you created or downloaded. As time goes by, many of these system/app files are actually no longer needed and then become junk files eating up your disk space.

When your Mac is running, macOS and apps on it need to create many system files and app data to function properly. This is probably because that your Mac is cluttered up with junk files and it is especially true if System or Other storage on your Mac is huge and taking up most of the disk space. Follow the steps below to get rid of system junk and iTunes junk with a Mac junk cleaner.Ī dilemma in cleaning up Mac is that after you have deleted all the unneeded files you can find - documents, videos, photos, audio files, applications - your Mac is still having low disk space. Cleaning up junk files is an effective way to regain free space on Mac. Summary: When it is cluttered up with junk files, your Mac will report low disk space.