How to Use Auslogics Disk Defrag Portable and Its Alternative?

Auslogics Disk Defrag Portable is a powerful software utility for HDD enhancement. However, it has some limits. So, in this post, you’ll learn what it is, how to use it, and also, another third-party software utility for portable defragmentation will also be introduced.


By Michael / Updated on May 12, 2023

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Auslogics Disk Defrag Portable too slow

“I’m a computing technician and I always go between different computers for technical support. Usually, I help different customers when their HDDs become slow with defragmentation. I chose Auslogics Disk Defrag Portable that’s a pretty powerful tool. With this software, I don’t need any installation when I switch between different PCs, only a USB stick with sufficient space is required. However, sometimes, this software utility takes forever to load and even shows “file is corrupt” and the defragmentation is also so slow that I often wait hours before it’s done. I’m wondering whether there is any quicker alternative?”

What’s Auslogics Disk Defrag Portable?

Auslogics Disk Defrag is a free-to-use software utility containing disk evaluation, defragmentation and optimization for all types of users who are interested in drive maintenance. As installation is not a prerequisite, its portable edition Auslogics Disk Defrag Portable can be directly used after the .exe file being dropped to a hard drive or a USB flash disk. With this powerful tool, you can perform a scan-and-defrag job, quick defrag (without analysis), or a defrag and optimization task which takes longer but more efficient. In all, Auslogics Disk Defrag Portable is definitely a great defragmenter for beginners and intermediate users alike!

How to use Auslogics Disk Defrag Portable for disk defragmentation?

How to download Auslogics Disk Defrag Portable? Actually, there’s no way to directly download it. If want to defrag disks with Auslogics Disk Defrag free portable, the first thing to do is to create portable version to an available USB flash drive. Then, you should boot the program from the USB to conduct any defragmenting process.       Follow the steps below to learn to get it done.

Create portable version

Before opening the portable version creator, you should launch Auslogics Disk Defrag first. Then, select “Portable Version” from the top toolbar. In the popup window, hit “Create portable version” and then, preset a file name and location. After it’s done, click on “Save” to save Auslogics Disk Defrag Portable to the USB drive.

create portable

Defrag disks

After creation of Auslogics Disk Defrag, it’s time to defrag disks with the powerful program.


1. Go into the USB drive and launch the portable version.

2. Select the target disk.

3. Hit the triangle button beside the “Defrag” button.

4. There’re 4 options, namely, “Analyze”, “Defrag”, “Defrag & Optimize (only for the Pro edition)”, and “Quick Defrag”.

5. Choose any of them based on your own requirement.

Better alternative to Auslogics Disk Defrag Portable

How to download Auslogics Disk Defrag Portable? Auslogics Disk Defrag is indeed powerful and feature-rich and enjoy a very large userbase on the world. However, it also has some limits and sometimes, users encounter glitches when using this program. For example, when trying to run the portable version from a USB drive, it shows “File is corrupt” for no reason.

So, when prompted with an error, you might as well turn to another alternative. Here, I recommend AOMEI Partition Assistant Technician, which is an impressive software utility for disk management. With its portable version, users can both analyze a disk and make defragmentation for it to drastically improve your computer’s performance. But more than this, other features like disk format and hard drive wiping are also available.

What to do when Auslogics Disk Defrag won’t work? Don’t worry. This time, the best disk manager in the market can help!

Download Demo Windows Server/PC
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Create portable version

Compared with its counterpart, portable version creation of AOMEI Partition Assistant Technician seems relatively more complex. But if you follow the graphical steps below, you can get it done quickly and easily.

Step 1. Install and launch AOMEI Partition Assistant Technician. Click “Test” in the top toolbar, and choose “Create Portable Version”.

create portable version

Step 2. Click on “Next” to proceed.


Step 3. Select target location to put the program in.

target location

Step 4. Hit “Create” to start the process.


Defrag disks

Now, since the portable version of AOMEI Partition Assistant Technician is successfully created, it’s time to make defragmentation for your disks.

Step 1. Plug the USB into a problematic PC and run the AOMEI program from it.

Step 2. Select “Disk Defrag” in the left menu or right-click on the target disk and select “Disk Defrag”.

disk defrag

Step 3. Tick the disk and hit “Analyze”.


Step 4. After it’s done, the disk will be scored based on the fragmented rate.

Step 5. Hit the “Defrag” button to start the defragmentation.


After the defragmentation is completed, the disk will be scored again.

Note: If you don't wanna defrag your hard drives manually every time they needs, you can also preset when to defrag automatically with the feature of schedule defrag.

How to enhance the performance of an SSD?

Should I defrag an SSD for better performance? The answer is negative since HDD and SSD share different working principles. If you defrag an SSD anyway, it could be unnecessarily worn and torn and thus, its lifespan could be shortened.

However, what if you really want to make an SSD perform better without defragging it? Luckily, AOMEI Partition Assistant Technician still helps! With the feature of 4K SSD alignment, you can get the most out of the hard drive!

4k alignment


In this post, you’ve learnt some basic information of Auslogics Disk Defrag Portable and also seen the best alternative for portable disk defrag – AOMEI Partition Assistant Technician. I’m also one of its users and what impresses me a lot is its fast defrag speed and user-friendly interface. What’s more, this software utility also contains many other features including SSD secure erase and disk initialization.

Michael · Staff Editor
Michael is a professinal editor of AOMEI editor team.