How to Extend Volume with Disk Management in Windows?
Windows Disk Management
Disk Management is a built-in Windows utility introduced after fdisk to manage hard disks and partitions. It allows users to initialize disks, create volumes, format partitions, and perform tasks such as extending or shrinking volumes in supported Windows versions.
Use Disk Management to extend volume
As your hard disk fills up with data, especially on the C drive, you may experience slower performance or low disk space warnings. Cleaning temporary files can help, but extending the volume is often a more direct way to add usable space.
In Disk Management, you can extend a volume only with unallocated space that is directly behind it on the same disk. If the unallocated space is not adjacent or is on the left side, Extend Volume will be unavailable.
▪ Open Disk Management.
▪ Check whether there is unallocated space directly behind the volume you want to extend.
▪ Right-click the target volume and choose "Extend Volume".
However, if the unallocated space is not right next to the target partition, Extend Volume will be greyed out and you cannot click it.
Disk Management has clear limitations. If there is no adjacent unallocated space, shrinking another volume may not help because the new unallocated space appears behind the volume being shrunk. You also cannot shrink a volume beyond the point where unmovable files are located. In this case, third-party freeware is often recommended.
Extend volume with Qiling Disk Master
Qiling Disk Master Standard is a free disk management software that offers powerful functions to control hard disks and partitions easily, supporting Windows 7/8/10/XP/Vista. With Qiling, you can easily extend a volume by following these simple steps.
Step 1. Install and launch Qiling Disk Master, then check the target partition and the available unallocated space on the same disk.
Step 2. In the main interface, click the target volume, choose the related resize or merge option from the right-hand side, and select "Merge Partitions" when needed.
Step 3. Tick the unallocated space you want to add and click Proceed.
Compared with Disk Management, Qiling Disk Master Standard can add one or more unallocated spaces on the same disk to the target volume more flexibly and without deleting partitions.
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