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The Disk Utility app of Mac OS X can be used for the erasure of these free spaces. So, you need to erase free space on Mac hard drive. It just creates free space that can be used for recovering the deleted data using a data recovery tool. In short, deleting data on the Mac hard drive doesn’t securely erase it.

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So, you need to connect the Mac hard disk to a Windows PC before you erase the free spaces on it using Stellar BitRaser for File. The reason for this is that this data erasure tool isn’t compatible with Mac OS X and works only on Windows. This will ensure beyond doubt that the free space on your Mac hard drive is erased forever.įor you to use Stellar BitRaser for File to erase free space on Mac hard drive, you need to take it out from your Mac first. However, if you feel the need to take another pass then you can take two more passes. While other data erasure tools take several passes to erase the free space on a hard drive, Stellar BitRaser only requires a single pass to erase it permanently. Step 4: After a while, the Mac hard drive erase complete and you can reboot the system. Step 3: Selected your Mac hard drive and click the "Erase Now" button to process. Step 2: Click the "Erase Unused Space" option on the left, to select your Mac hard drive.

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Step 1: Download Stellar BitRaser for File on your Windows PC, take out the hard drive on Mac, and connect it to Windows computer.

Capable of erasing all traces of internet activity including the internet history maintained by popularly used browsers.

Offers the chance to erase the chat history of messaging services like Yahoo and Skype.

Provides a search feature for quickly search the file or document which needs to be erased from the hard drive.

Supports multiple data erase algorithms that can be used for erasing data.

Completely erases the data, ensuring that it can’t be recovered using any data recovery tool.

It can secure erase free space on hard drives and ensure that the deleted data can’t be recovered. There are various such tools available on the internet but the best one among them is Stellar BitRaser for File. To make sure that the erasing of the free space is completed without any damage to the hard drive then using a data erasure tool is the best option.

#Bitraser file eraser mac how to#

Part 2: How to Secure Erase Free Space on Hard Drives in WindowsĪlthough the Disk Utility app of Mac OS X can erase free space on Mac hard drive, there is a chance that it might not be able to do so in a secure manner. Select any of the erasure options that you like and then click the Erase free space button.Fastest option overwrites the free space just once while Secure and Most Secure options do that three and seven times respectively. There are three different erasure options available to you which are Fastest, Secure, and Most Secure.Pick the level of erasure you want and then click the Erase free space to start the overwriting process on the hard drive’s vacant spaces.

Click the Erase free space button after opening the Erase tab.

If the hard drive whose free spaces you want to erase is an external hard disk then you would have to connect it to the Mac and then select it from the menu located on the left-hand side of the screen.

You can use the Launchpad for launching this app as well.

This app is located in the utility menu which can itself be found in the Applications menu.

The initial step is to start the Disk Utility app.

#Bitraser file eraser mac for free#

However, do keep in mind that this method for free space erasure is only applicable for traditional hard drive and won’t work on SSD versions that utilize flash memory. It offers you the chance to overwrite on the free space left on your hard disk so that no one can retrieve the data that was previously stored on it. You will have to use the Disk Utility app provided by your Mac OS X to erase free space on Mac hard drive.

Part 1: How to Erase Free Space on Hard Drives in Mac OS X However, make sure that the erasure is done securely without damaging the hard disk. Now, if you are selling the hard drive of your Mac and don’t want the person buying it to recover the documents that you deleted then you must erase free space on Mac hard drive. However, if this free space doesn’t get overwritten, then it can be used to retrieve the previous data that it held using a data recovery tool. This free space can be utilized for storing other data. Every time you delete any file or document on the Mac hard drive it creates free space.