How to Fix 'Your Disk Is Almost Full' Notification on Mac Featured Image

How to Fix ‘Your Disk Is Almost Full’ on Mac: 11 Best Ways

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Last updated: September 6, 2023

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The ‘Your Disk Is Almost Full’ notification on Mac is a warning message indicating that your hard drive is running out of storage space. This error may lead to sluggish performance, slow application launches, and other problems. It can also prevent you from saving new files or downloading software.

To fix ‘Your Disk Is Almost Full’ on Mac, you must free up disk space by deleting unnecessary files and optimizing your Mac’s storage settings. In this guide, I have gathered all the methods you can use to free up space on your Mac.

Before We Begin

Free up space on your Mac is essential for maintaining optimal performance and preventing slow operation or system crashes. MacKeeper can help you efficiently manage and optimize your Mac’s storage. With MacKeeper’s Safe Cleanup, you can free up significant space on your Mac, improving its overall responsiveness.

8 Causes of the ‘Your Disk Is Almost Full’ on Mac Notification

The ‘Your Disk Is Almost Full’ notification is a common problem Mac users face. The notification appears when your hard drive or SSD runs out of storage space, and you need to free up some space to keep your Mac running smoothly.

There are several reasons why you might receive this notification:

  1. 📁 Large Files: Large files, such as videos or high-resolution images, occupy a lot of space on your hard drive or SSD. If you have many of these files on your Mac, it can quickly fill up your storage space.
  2. 💻 System and Application Cache: Your computer stores temporary files and cache files to speed up application launch and browsing. However, cache and temporary files on Mac can take up a lot of space and slow down your computer over time.
  3. 🗑️ Junk Files: Junk files, such as temporary or duplicate files on Mac, can accumulate over time and take up valuable storage space.
  4. 🔙 Old backups and system images: Old backups and system images can occupy valuable disk space. It’s important to delete old backups or move them to an external hard drive.
  5. 📌 Too many applications: Having too many applications on your Mac can take up a lot of disk space. Consider uninstalling applications you don’t use or need.
  6. 🔀 Low Disk Space Partition: If your hard drive is partitioned, it is possible that the partition with your operating system or applications has run out of space. Consider resizing your partition or moving data to a different partition.
  7. 🦠 Viruses and Malware: Viruses and malware can cause your hard drive to fill up with unwanted files and programs. Make sure you have a reliable antivirus program installed and run regular scans.
  8. 💾 Downloads Folder: Your Downloads folder can accumulate a lot of files over time. Make sure to periodically clean up your downloads folder on Mac to free up disk space.

Free Up Your Disk Using MacKeeper

MacKeeper’s Safe Cleanup is the fastest and most efficient solution for cleaning up junk files on your Mac. This feature removes unwanted and unnecessary files with just three clicks, freeing up valuable space on your hard drive.

Here are the steps to use MacKeeper’s Safe Cleanup and declutter your Mac:

  1. Download and install MacKeeper.
  2. Launch MacKeeper and select Safe Cleanup in the left sidebar.
click safe cleanup under the cleaning section 7
  1. Click Start Scan.
click start scan in safe cleanup 7
  1. From the list of detected items, choose which ones you want to remove from your Mac or click Check All.
select junk files to remove or click check all 6
  1. Click Clean Junk Files.
tap clean junk files 6
  1. Wait for MacKeeper to finish cleaning. When it’s done, you’ll get a Cleaning Completed notification. Click Rescan to scan your Mac again.
click rescan in safe cleanup 5

10 Ways to Fix ‘Your Disk Is Almost Full’ on Mac

Several types of files take up space on your Mac, including system log files, .DMG files, user log files, duplicate files, and more. You should remove them all to fix ‘Your Disk Is Almost Full’ on Mac.

So, let’s free up disk space by following these methods.

1. Uninstall Unnecessary Applications

MacKeeper’s reliable toolkit of Mac optimization features can remove the unnecessary applications, related files, and preferences. Here’s how to uninstall any app on Mac using MacKeeper:

  1. Download and install MacKeeper.
  2. Launch MacKeeper and navigate to the Smart Uninstaller under Cleaning.
click smart uninstaller in the left sidebar 9
  1. Click Start Scan.
click start scan in smart uninstaller 8
  1. Wait for the scan to complete and click Applications in the left panel and select unused applications from the list. Then, tap the Remove Selected button.
select the applications you want to remove and click remove selected 8
  1. Confirm the deletion by clicking Remove on the pop-up.
click remove on the pop up window in smart uninstaller 7
  1. This will uninstall unused apps from your Mac, and you’ll get a Removal Completed message. Click Rescan if you want to scan your Mac again.
click rescan in smart uninstaller 7

2. Clear Cache Files

Cache files on your Mac are temporary files created by apps to speed up their operation. However, these files can accumulate over time and take up significant space on the disk.

You can remove cache files to fix ‘Your Disk Is Almost Full’ on Mac. Follow these steps to clear the cache on your Mac manually:

  1. Open Finder, click the Go menu in the menu bar and select Go to Folder from the dropdown list.
click go in the menu bar and select go to folder
  1. Type the following path in the text box and hit Enter:
~/Library/Caches/
type library cache path in the search bar 1
  1. Choose the cache files you want to delete or select all. You can do this by holding the Command key while clicking the files.
macbook air command key
  1. Right-click the selected files and choose Move to Bin.
right click cache files and select move to bin
  1. To permanently delete the junk files from your Mac, right-click the Bin icon in the Dock and select Empty Bin.
right click the bin and select empty bin

3. Remove User Log Files

Sometimes, an application crash on Mac can generate a bug report that includes your user logs. You may have stashed numerous user logs over time if you have an older Mac. It’s best to clean up your machine and delete these logs to prevent and fix ‘Your Disk Is Almost Full’ on Mac.

Follow the steps below to remove user log files on Mac:

  1. Open Finder on your Mac.
click finder in your dock
  1. Press the Command ⌘ + Shift ⇧ + G keys simultaneously to open the Go to Folder window.
macbook pro command shift g keys
  1. Type the following path in the field and press Enter.
~/Library/Logs
type library logs and tap go
  1. You will see all the user log files. To free up space on your Mac, manually move the files to the Bin by selecting them and then right-clicking and choosing Move to Bin.
right click the user log files and select move to bin
  1. If you want to declutter your Mac, select all the user log files and move them to the Bin.
  2. Right-click the Bin icon in the Dock and select Empty Bin to delete the user log files permanently.
right click the bin and select empty bin

4. Delete System Log Files

Log files are created by the operating system and system events and errors. While these files are stored as plain text and don’t consume much space, deleting them can help declutter your Mac if you’re running low on storage space.

Deleting system log files is also recommended to help developers diagnose issues with macOS and system applications. Follow these simple steps to delete system log files on your Mac:

  1. Open Finder, click Go in the menu bar and select Go to Folder.
click go in the menu bar and select go to folder
  1. Type in the following path and press Enter:
/var/log
type in var log and press enter
  1. Select the system log files you want to delete or delete all system log files by dragging them to the Bin. Alternatively, you can right-click the selected files and select Move to Bin.
right click the system log files and select move to bin
  1. Right-click the Bin icon in Dock and select Empty Bin to delete unnecessary log files from your Mac permanently.
right click the bin and select empty bin

5. Remove Large and Old Files

Your disk may be full because of large and old files in your Mac. To free up storage space on your Mac, remove large and old files that are no longer necessary. This will fix ‘Your Disk Is Almost Full’ on Mac.

Here’s how to remove large and old files on Mac:

  1. Open Finder and click File in the menu bar. Then, select New Smart Folder.
click file in the menu bar and select new smart folder
  1. In the Smart Folder window, click the + icon in the upper-right corner.
in the smart folder window click the icon in the upper right corner
  1. Set the search parameters to find files larger than a specific size. You can select a size limit according to your preference.
set the search parameters to find files larger than a specific size
  1. Once the files have been located, select the ones you want to delete and move them to the Bin by right-clicking and selecting Move to Bin
  2. Finally, permanently empty the Bin to remove the large and old files from your Mac. It will help you to declutter your Mac and reclaim valuable storage space.
right click the bin and select empty bin

6. Remove Duplicate Files

Duplicate files are the biggest space-hogging item on your Mac. If you want to avoid finding duplicates manually and save time, MacKeeper is the perfect solution.

MacKeeper’s Duplicates Finder offers a convenient and user-friendly way to scan and remove unwanted copies of files, freeing up valuable disk space in no time. Here’s how to use it:

  1. Download MacKeeper and install it on your Mac.
  2. Open MacKeeper on your Mac and click Duplicates Finder in the left sidebar.
click duplicates finder in the left sidebar 2
  1. Click Start Scan.
click start scan in duplicates finder 2
  1. Select a folder in the left menu to review duplicate files before deletion.
click an item in the left sidebar 1
  1. Alternatively, you can click Check All and tap the Remove Selected button to remove all duplicate files simultaneously.
click check all and tap remove selected 2
  1. Tap the Remove button on the pop-up to confirm the deletion.
click remove on the pop up window in duplicates finder 2
  1. This will remove the selected files and get a Removal Completed message. Click Finish to end the process.
click finish to complete the process 1

7. Delete Login Items

Login items are applications that open automatically when you log in to your Mac. They can slow down your Mac’s startup time and take up space on disk. You can reduce your Mac’s startup time, free up storage, and improve performance by removing login items.

Here’s how you can remove login items on your Mac:

  1. Go to the Apple menu in the top left corner of the screen and select System Settings.
click the apple icon and select system settings
  1. Click General and select Login Items.
click general and select the login items tab
  1. Select the application you want to remove and click the button below the list.
select the item you want to remove and click the minus button
  1. Repeat this process for all the applications you want to remove.

If you want to remove login items in one click, you can use MacKeeper. Here are the steps to follow:

  1. Download MacKeeper and install it on your Mac.
  2. Open Login Items under Performance in MacKeeper.
tap login items under performance
  1. Click Start Scan.
tap start scan 2
  1. Select unnecessary items from the list and click Remove Selected Items.
select the files you want to delete and tap remove selected items
  1. Tap the Remove button on the pop-up.
tap remove on the pop up
  1. It will remove your selected items from the system startup list. You can click Rescan to repeat the process.
tap rescan

What Else Can MacKeeper Do?

Besides freeing up RAM on your Mac, MacKeeper can scan your Mac for malware, remove duplicates, and manage Mac login items. MacKeeper aims to simplify Mac maintenance and enhance its overall functionality. Check out my MacKeeper review to know more about its features.

8. Delete .DMG Files

Disk images, or .DMG files, are often used to distribute software and other files on the internet. Once you’ve installed or extracted the contents of a .DMG file, it becomes unnecessary and can be safely deleted.

Here are the steps to delete disk images on a Mac: 

  1. Open Finder from your Dock.
click finder in your dock
  1. Click the small magnifying glass icon in the top right corner of the Finder window.
  2. Type dmg in the search bar to show all files with the same extension in their name.
click the small magnifying glass
  1. Delete the .dmg files you no longer need by right-clicking and selecting Move to Bin.
right click the dmg files and select move to bin
  1. Finally, empty the Bin to remove the files from your Mac permanently.
right click the bin and select empty bin

9. Clear Out Downloads Folder

Keeping your Downloads folder organized on Mac is essential to avoid clutter and free up storage space. Cleaning out unnecessary files can also speed up a slow Mac.

Here are the steps to delete downloads on your Mac:

  1. Open the Downloads folder by clicking the Downloads icon in the Dock or by opening a Finder window and selecting Downloads from the sidebar.
open a finder window and select downloads from the sidebar
  1. Go through each file and decide whether you need it or not.
  2. For any files you want to keep, consider moving them to a more organized location on your Mac, such as a folder within your Documents folder.
  3. Delete unnecessary files by dragging them to the Bin or right-clicking them and selecting Move to Bin.
  4. Once you’ve deleted unnecessary files and moved important files to a new location, empty the Bin to delete the files from your Mac permanently.
right click the bin and select empty bin
  1. Consider setting up automatic cleanup for your Downloads folder in macOS. You can do this by going to System Settings > General > Storage and tapping the Turn On button next to Empty Bin automatically.
turn on button next to empty bin automatically

10. Review and Delete Bookmarks

You might have accumulated many bookmarks in your web browser over time. Not all bookmarks are likely to be useful or relevant anymore and take up valuable space.

Here’s how to review and delete bookmarks on your Mac:

  1. Open your web browser and go to bookmarks. In Safari, you can do this by clicking Bookmarks in the sidebar, selecting Show Bookmarks, or pressing Command ⌘ + Option ⌥ + B on your keyboard.
macbook pro command option b key 1
  1. Review the list of bookmarks and identify any that are no longer relevant or necessary. 
review the list of bookmarks and identify any that are no longer relevant or necessary
  1. To delete a bookmark, right-click it and select Delete, or click it and press the Delete key on your keyboard.
right click it and select delete or click it and press the delete key on your keyboard 1
  1. You can also organize your bookmarks into folders to make them easier to navigate. To do this, right-click a bookmark and select New Folder.
you can also organize your bookmarks into folders

Wrap Up

Maintaining your Mac’s performance requires cleaning unnecessary files regularly, which can increase available storage space and speed up your system. Here are additional tips to enhance your Mac’s performance and fix ‘Your Disk Is Almost Full’ on Mac: 

Frequently Asked Questions

  1. What does the Your Disk Is Almost Full notification on Mac mean?

    The Your Disk Is Almost Full notification on Mac indicates that the storage on your computer is running low, and you need to free up space to avoid performance issues and potential data loss.

  2. What are some ways to free up space on my Mac?

    Some ways to free up space on your Mac include deleting unused applications, clearing cache and temporary files, removing large and old files, and emptying the trash bin.

  3. Can MacKeeper help me free up space on my Mac?

    Yes, MacKeeper can help you free up space on your Mac. This comprehensive utility with a range of tools helps you optimize and clean up your Mac, including removing junk files, clearing cache and temporary files, and identifying large and old files.

Hashir Ibrahim

Author

I'm Hashir, a tech journalist with a decade of experience. My work has been featured in some of the top tech publications like MakeUseOf and MakeTechEasier. I have a bachelor's degree in IT, a master's in cybersecurity, and extensive knowledge of Apple hardware, specifically MacBooks. As the senior writer at MacBook Journal, I write in depth guides that help you solve any issues you have with your mac and unbiased reviews that help you make the right buying decisions.

Ojash

Reviewer

Hi there! I'm Ojash, a tech journalist with over a decade of experience in the industry. I've had the privilege of contributing to some of the world's largest tech publications, making my mark as a respected Mac expert. My passion lies in exploring, using, and writing about MacBooks, and I enjoy sharing my expertise to help others make informed decisions and get the most out of their MacBook experience. Join me as we delve into the fascinating world of MacBooks together!

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