You can see "Extend Volume" option under Disk Management of Windows 10/7. You just need to right click a partition after accessing Windows Disk Management so that you can see the "Extend Volume" option. After click this option, you are able to increase the size of the selected partition.
However, the problem is that you may find that the "Extend Volume" option is often greyed out, in which situation you always fail to expand the size of selected partition. Is there anything wrong with the Disk Management? Are you able to fix the problem on Windows 10/7?
Extend volume greyed out in Windows 11/10/8/7
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If you doubt why the extend volume is grayed out in Disk Management on Windows 7, probably you do not know how Disk Management works to extend a volume. There are "Extend Volume" and "Shrink Volume" options under Disk Management on Windows 7, with which you are able to resize disk partition without repartitioning hard disk. However, why "Extend Volume" option grayed out when you attempt to extend C drive or other partitions? Usually, "Shrink Volume" is always available as long as there is free space next to the partition you want to extend.
How to fix the problem "Extend Volume" is grayed out? The cause is under the condition that you can extend a partition in Disk Management only when there is adjacent unallocated space. Simply say, if you want to extend C drive, you must make sure that the unallocated space is behind the C drive. In other words, if there is no unallocated space or the unallocated space is not contiguous to the C drive, the extend volume will show grayed out and stops working. -> How to produce unallocated free space? Keep on reading.
When Disk Management to extend a partition is not available, is there any other solution for disk partition resizing? The answer is yes! You usually have two solutions to make the extend volume work on Windows 7:
1. Delete the partition between the volume you want to extend and the unallocated space
Or you may also delete the volume under Disk Management if there were no important data inside.
Since the "Extend Volume" option show grayed out when the unallocated space is not adjacent to the partition you want to extend, you can delete the partition between them to fix the problem. This method is usually not so good because you will lose all data stored on the partition after deleting.
=> How to extend volume without losing data? Try freeware IM-Magic Partition Resizer for Windows 11/10/8/7 and get them done when extend volume did greyed out in your PC to get out of the hassle.
Step 1: Download the freeware, install it for free and use it for free.
Step 2: Right click the drive next to the volume you want to extend, and you will see its "Resize/Move" and click it.
Resize partition with IM-Magic Partition Resizer
3.Move your cursor and shrink the D to the right and then some free space will be created.
Steps to resize your partition when you can not extend volume
4. Come back to the main interface and right click C, "Resize/Move", and then use the sursor to extend its border. (See a video guide later)
5. Apply all changes.
Here it is that almost done with the article and trouble. The rest part also explain things more details.
Please watch videos on this page to get a better operation with this tool.
2. Move unallocated volume to the partition you need to expand with partition software
The most common method to resolve the issue about "Extend Volume" option grayed out is to rely on a partition management tool to move the unallocated space close to the partition you want to extend.
IM-Magic Partition Resizer Free works as partition management to move and extend partition. This partition software enables you to resize hard drive on Windows 7 without asking you to reinstalling system or reformat hard disk. You can also shrink partition with this software to get some unallocated space and move the unallocated space close to C drive so that you can get C drive expanded with the unallocated space.
Can You Add New Disk to Extend Windows 7 Partition?
Many users are wondering if they can add a new hard disk to extend partition when it is running on low disk space. If you have ever attempted to add a new disk to expand disk partition, you may know that the answer is no. You can add a new disk for data storage when the original hard drive is full, but you cannot add the new disk space to another hard disk partition. In the other words, you can only move free space on the same hard disk to extend partition on Windows 7.
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Solution updated on Feb 7, 2023