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How to Expand or Extend Windows 7/8 Partition without Data Loss

Updated on Aug 24, 2018 by Jean to Partition Master

Summary:
How to expand or extend Windows partition without data loss? EaseUS partition manager software enables you to increase partition size easily and safely in Windows 10/8/7/xp/vista.

Can you expand a partition in Windows 7?

Windows 7, announcing to make your PC simpler and things you do every day easier, has come to us now. True, many Windows fans have rushed to use and test it before it releases officially and give a thumb up to its good performance and advanced features.

However, there are still some different voices, like "Windows 7 won't let me expand partition", "boot errors after expanding the Windows 7 partition". How to expand or extend partition in Windows 7/8 or even Windows 10, especially when to expand the system partition is needed?"


Method 1. Use Disk Management to extend Windows 7 partition

 NOTICE:

  1. Please note that there must be unallocated space behind the partition which you want to expand with Windows built-in Disk Management utility.
  2. Otherwise, you might find that the Extend Volume option is greyed out and not available.  

 

At this moment, you have two choices to solve this problem: shrink a partition and then extend the target partition with Disk Mangement tool or apply third-party partition manager software for help.

See the detail steps to see how can you expand your partition size with Disk Management in Windows 7 now:

1. Right-click My Computer and choose Manage -> Storage -> Disk Management.

2. Select the adjacent disk of the disk you want to extend, right click and choose Shrink Volume to create some free disk space.

3. Select the disk you want to extend, right click and choose Extend Volume to expand the partition.

extend windows 7 partition

4. Set and add more size to your target partition and click Next to continue. 

Follow the onscreen guidelines to complete the process.

Extend Windows 7 partition with Disk Managenent.


Method 2. To expand/extend Windows 7 partition with EaseUS partition software

When Disk Management in Windows 7 cannot manage your partition as your desire,  or if you know little about Windows, an easier and safer alternative solution - EaseUS free partition software will be a nice choice to expand partitions in Windows 7. Here is the step-by-step guide.

EaseUS Partition Master, as a comprehensive hard disk partition tool, also works as system optimization software for Windows-based administration, not only enabling you to increase Windows 7/Windows 8 partition size without data loss, extending system partition without reboot can also be done on your own.

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 Windows 10 is supported

Step 1. Download and launch EaseUS free partition tool. Right-click the D: drive and choose "Resize/Move partition" to carve up free space for the system partition(C: drive).

Choose Resize/Move partition option to expand partition

Step 2. Position the mouse pointer on the partition that you need to resize and drag the handle to adjust its exact size.

Drag the handle to expand partition

Tips: Sometimes the unallocated space is on the left of the partition you want to extend, just drag the left partition handle leftwards to the size you want.

Step 3. When there is unallocated space left behind the target partition for example System C: drive, right-click on C drive and choose "Resize/move partition".

Expand C drive.

Step 4. Drag the partition handle rightwards to add unallocated space to it.

Expand Windows 7 C drive.

Click "Apply". You can successfully increase the partition size and get a bigger C: drive.

Confirm to expand your partition.

KEEP NOTED: 

If you extend the Windows system C drive in Windows 7 or Windows 8/10 by following the above four steps with EaseUS Partition Master, and the program asks you to restart your PC.

Please do as the software required. All changes will be kept into the system and you'll get a bigger C drive after rebooting.