The only real exception you need to defrag a Mac is when your hard drive has less than 10 percent free space. When updates, upgrades, installation or re-installation take place, you might need to defrag it once in a few years. That's not to say that a manual defragment is never needed. And it automatically defragments files on its own. The main purpose of this component is to automatically prevent fragmentation of disk storage.

Apple uses the HFS+ (Hierarchical File System), which provides a special function Hot File Adaptive Clustering, or HFC. This is simply because Mac OS X versions later than 10.2 file system were designed differently to Windows. Generally speaking, Mac doesn't need to be defragged. Therefore, defragmentation reorganized your computer and saves time to find and read the files and speed up your computer. Simply put, defragging a drive traditionally moves everything back in order and fills any holes that have appeared during its use. It removes the gaps between the recorded parts of the files, collecting them into a single whole part. Defragment is the process to reorganize the files which are scattered stored on the hard disk.

Hope you can find the answer that suits best.įirst, we need to know what defragment is. So what do you do when your Mac gets slow? When does my Mac need a defragment? How to defrag my Mac? In this article, we will dive into the Mac defrag question and explain the benefits and limitations of doing this. But there's no 'Optimize Disk'or 'Defragment Disk' on Mac. You might hear about defragging disk to clear some space and speed up your computer due to your previous experience with Windows. Not only Mac, but all computers will also get slower and slower as they keep running.

How to defragment a mac