Active Partition Manager Alternative| Free Download

Here introduces a great Active Partition Manager alternative, which allows you to resize C drive, copy partition and so on.


By Michael / Updated on May 12, 2023

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About Active Partition Manager

Active Partition Manager is a free disk partitioning tool for Windows that helps you to manage storage devices and the logical drives or partitions that they contain. It supports common partitioning functions that allow you to format drive, create, resize, and delete partitions, and so on, it also includes other useful drive management features as to create a mirror image backup of any hard drive.

Why need Active Partition Manager alternative?

Though Active Partition Manager can basically meet your requirements, you may need an alternative under some circumstances.

  • Firstly, the biggest issue you will have with Active Partition Manager is that you can’t downsize locked volumes. This is to say, the drive that has Windows installed to it, which is always locked while Windows is running, can’t be made any smaller.

  • Secondly, the software will crash every time when you try to extend a locked partition with it. Interestingly, the system partition will get larger as you intend, but an unexpected reboot during the process will make you pretty uncomfortable.

  • Except for the two situations mentioned above, you may need an alternative when you want to copy partitions which are not supported by Active Partition Manager, or when you don’t like the way that Active Partition Manager handles operations.

A great alternative to Active Partition Manager

Considering those inconveniences with Active Partition Manager, you need to have an alternative to help you. Here, we recommend you free partition manager, AOMEI Partition Assistant Standard. It supports all the partition management features you’d expect from a program like this, most importantly, you are able to resize the locked partition with it.

Next, we will show how to use the Active Partition Manager alternative to downsize the locked partition (usually C drive) within a few steps, and you can extend the locked partition or resize encrypted partition similarly.

✍ Free download the software at first!

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Step 1. Install and fire up AOMEI Partition Assistant Standard. Right-click C drive and choose “Resize/Move Partition”.

Step 2. In the pop-up window, drag leftwards to shrink the partition

Step 3. Here you can preview the result, and click "Apply" to commit the operation.


  • The partition shrinking operation will be performed under PreOS Mode and your computer will reboot when you shrink the system partition.

  • Except allowing to resize the locked partition, you can use it to copy partition which Active Partition Manager doesn’t support to do, etc.

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