You are allowed to delete a Windows 7 partition under Disk Management. Windows 7 Disk Management to Delete Partition If you just want to delete the partition with all data being not erased, the only way is to move all data to another partition or storage media (like external hard drive) before deleting the partition on your computer that runs Windows 7. You want to delete a partition on Windows 7 because it is corrupted and stops working normally? Or you want to delete Windows 7 partition because you need some unallocated space? Or you want to delete one or more partitions in Windows 7 since there are two many partitions on your computer? For whatever reason, it is not a difficult task to delete any volume (except system partition) on Windows 7.īefore performing deletion on any partition, what you should know is that there is no way to remain all original data on the partition after deleting.