8 Way To Clean Up Unnecessary Files On MAC System

Military Grade MacBook Armor

Updated on July 4th, 2018

The files are normally aren’t harmful or wasteful to your Mac. In fact, they help to run the Mac efficiently and ideally shouldn’t be clear.

But unfortunately, over the time they start to clog and slow down the system. Here is the post on how to clean up Mac from unnecessary files.

1. Remove Cache Files

You should only delete the old and unnecessary files as current cache files stored in your preferences.

There is a strong recommendation that you delete the cache files from the old applications. Follow the below-mentioned process.

  1. Click and select the Finder icon from the Dock.
  2. Select Go menu that appears at the upper left corner of the screen.
  3. Click Go to Folder.
  4. Type ~/Library/caches into the box that appears. You will be able to see the list of caches appearing on the Mac.
  5. Select the app folder you wish to delete from the cache.
  6. Right-click on the folder and send it to trash.


2. Delete Downloaded Files

There are chances that your download folder is stuffed with other types of files such as documents, installer packages.

If you already saved the copy of these files then it’s the time to clean out the folder.

  1. Click on the dock and select the Finder icon.
  2. Select the Go menu from the upper left corner from the screen.
  3. Click downloads and select the files to be deleted. You can do this by right-clicking and move it to the trash.

If in case you require the file in your download and you don’t want to clog them then move it to the external drive or in the drop box as the online storage.

For the complete clean up details check


3. Remove Large Files

Use Finder to quickly and easily remove the files on your hard drive. Open the new window of Finder.

In the search field on the top right corner, enter the asterisk and ensure all the items are included. Now click on the “+” icon below the search field.

Apply the filter for the size and greater than. Enter the size such as 10 GB by applying the filter for GB and MB.

When you locate the large files you can completely compress them or copy to an external drive or delete them if it is of no use.


4. Compress and Delete Old Files

If you have the large files that are too old so either you should compress or delete as per your requirement.

Compression is the process of reducing the file size that ultimately increases the disk space.

It depends on the type of file as the images and movies generally take a lot of space. On the other hand, text documents take less space.

You will be fortunate to know that Mac OS X has the compression facility. You just have to select the files and folders to compress and right click to create the zip file. Then you can delete the uncompressed version of the file.


5. Remove Mail Attachment Files

When you open the email, it often has the attached files in the form of Images, PDFs, and text documents.

Many times you download them and they get save in the mail download folder. You can easily delete them by using Spotlight.

You simply have to type the command+space, you can here easily check the folder for the files that you don’t require and can delete such files.


6. Empty Trash

The easiest way to get some free space is cleaning the trash. Some of the applications such as iMovie, iPhoto, and mail have their own trash which you should delete from time to time.

There is no reason to keep your trash full when you take the regular backups. It is important to clean all the items in the trash frequently.

The mail, junk, and trash get automatically deleted if set for the relevant preference.


7. Delete the DMGs Files

DMGs are known as Disk Images and these files occupy a lot of space on the Mac. Thus it is necessary to get rid of them completely.

You can easily delete the DMGs files after you mount the disk image and install the app. Then you need to find the file and send them to trash.


8. Delete Duplicate Files

The copies of files take a lot of space in your memory. Hence it is important to delete such file from the Mac.

You can find the duplicates from the below-mentioned methods.

  1. From Apple Mac store, download the third party app.
  2. Use Finder to find the duplicate files and delete them.
  3. Use a script and command terminal.

By deleting the unnecessary files as per the ways mentioned above, you can completely clean up the Mac.

You can then have the proper space to store what is important and experience good performance for your Mac.