Forum Discussion
How to safely extend c drive in Windows 11 when the menu grayed out?
Don't waste time on the built-in Disk Management utility. The Extend Volume... option is grayed out.
If you really want to increase the C drive space without losing data, please follow this step-by-step guide instead:
https://www.howtogeeker.com/increase-c-drive-on-windows-pc
SavannahAo There are several reasons why the Extend Volume is disabled for the C drive in Windows 11.
The C: Drive Is Using the MBR Partition Style: If your hard drive is partitioned using the MBR (Master Boot Record) partition scheme, the maximum number of primary partitions is limited to four. Once this limit is reached, you cannot extend the C: drive even if there is unallocated space.
File System Is Not NTFS: The Extend Volume option only works on partitions formatted as NTFS or ReFS. If the C: drive is formatted in another file system (like FAT32), the option to extend the volume will be disabled.
These are the two main reasons why Extend C drive is grayed out on Windows 11 PC!