You need to be aware that there can only be four primary partitions, or three primary partitions and one extended partition. We’ll dig right into it.Ī step to understanding why you can’t extend the volume on your C drive in Windows 11/10/8/7 or even earlier PCs is knowing the number of primary and extend partitions that you can have on a single disk drive. You are now left wondering why you are unable to do this and what needs to be done to get it fixed. From all you’ll see all over Windows and tech forum, even with free space available, users still struggle to use the free space. You’ll be coming across things like “I cannot extend disk drive” or “my c drive is greyed out.” It can be quite frustrating when your C drive is full, and you are unable to make use of the space available. At this point, you would have realized that thousands of other people are having a similar problem. You must have searched all over the internet. Unable To Extend Volume In Windows Disk Management, why? Unable To Extend Volume In Windows Disk Management, why?.
