No more worries about extending system partition in Windows 7 now!
When trying to get more disk space while running out of space, you don't have to
delete the unwanted files or D drive to extend C drive in Windows 7. It's much wiser
and more convenient to extend system partition to unallocated space!
In addition, you may want to increase system drive in other cases. For instance, extend
Windows 7 system partition before upgrading to Windows 10. As we know,
higher operating system takes up more disk space in running programs and
applications. If upgrade to more advanced OS, you need to add more space to system
drive in advance.
Here offers two easy and detailed ways for you to extend system partition for Windows
7. They apply to extending C drive in Windows 10 and Windows 8/8.1 as well.
Solutions 1 - Windows 7 Extend System Partition without Data Loss
Because of limitations (refer to Solution 2) in Disk Management, many users want to
use 3rd-party utilities to extend C: drive in Windows 7 without formatting. For
that, AOMEI Partition Assistant
Professional (PA Pro) is recommended here.
This partition software can fully make use of the free space and unallocated space on
the same disk to extend partition in Windows 7. It provides you professional and
convenient features - shrinking and moving large partitions to enlarge your low disk
space partition. What's more, this reliable utility works without data loss and
offers you more advanced functions! For instance, help you migrate Windows 7 to SSD when you want to upgrade old and slow hard drive.
Please follow the steps to extend Windows 7 system partition with AOMEI Partition
Assistant Professional (PA Pro). If there is no unallocated space on the same
hard drive, you can first shrink one of redundant partitions to generate one. After
that, use “Merge Partitions” to add
unallocated space to C drive. No requirement for adjacent free space next to
the system drive. By the way, the free edition AOMEI Partition Assistant Standard can be used to extend C drive as well.
Step 1: Install AOMEI Partition
Assistant Professional (PA Pro) and launch it as administrator, you will see the
Step 2: Then, right click partition D and select "Resize
Partition" (If there is already some unallocated space but not behind system
partition, please directly go to Step4).
Step 3: After clicking "Resize Partition". A window pops
up and drag right handle leftwards to shrink the partition to create some
unallocated space. Then, click "Ok".
Step 4: Because the unallocated space is not behind system
partition, therefore, right click partition D and select "Move partition".
In the pop-up window, drag partition D rightwards.
Step 5: After step4. The unallocated space has been moved behind
system partition. Then, right click system partition and select "Resize
Partition". In the pop-up window, drag C drive right handle rightwards to
extend C: drive.
Step 6: Click "Apply".One easier way is use the “Allocate Free Space” function of
this software. The feature will move free space from one drive to target drive
directly without in-between steps.
Following steps show how to extend system partition using “Delete Volume” and “Extend
Volume” of Windows 7 built-in Disk Management.
Note: The "Extend Volume" feature only works with
contiguous unallocated space! And the "Shrink Volume" can only create
unallocated space behind the partition. Disk Management can not support move
partition to make the unallocated space behind system partition. As a result, you
have to delete the partitions which locate between system partition and unallocated
To begin with, backup all data on partition D to F.
Then, right click "Computer" > "Manage" > "Storage"
> "Disk Management" > right click partition D > select "Delete
Volume". If there is unallocated space behind C: drive, you can skip this step.
Finally, after deleting partition D, there will be some unallocated space behind
system partition. Then right click system partition and select "Extend Volume".
Limitations: As mentioned above, you can only use the "Extend
Volume" feature to work with contiguous unallocated space. What's worse,
you have to backup data and delete partition, which are time-consuming and risky.
If you do not want to delete a partition or encounter "Disk Management Extend
Volume grayed out" problem, Solution 1 is your best choice to extend system
partition in Windows 7. Besides, this all-around partition tool also provides some
other helpful features, such as copy disk, copy partition, manage dynamic disk,
convert hard drive from MBR to GPT disk, etc. Download it to experience more.