
As to unallocated space, you can add it to C drive or other partitions as well as create a new partition on it. Once you partition the hard drive and assign drive letter to each partition, Windows can recognize them and write data to partitions. Space on a brand new hard drive is in a blank state, which stores no data or directory structure that manages disk space. Each partition stands for a segment of allocated space on a physical hard drive. For instance, many computers have a system partition with drive letter C, and there might be D drive or E drive. Disk Management and some partition manager provide solutions to allocate free disk space.Ī single hard drive usually contains more than one partition, as users store operating system and personal data in separated sections. Sometimes, a partition may become unallocated due to damage.

When setting up new computer, Windows installation setup will prompt to partition hard drive to make use of unallocated space.


Unallocated disk area does not show up in Windows Explorer and it can't be used by system before it is allocated. Unallocated space also means free space where no data or applications can be written. What is unallocated space? Operating system regards any hard drive space that does not belong to a partition as unallocated.

The table of content lists major topics and you can click link to read corresponding content. In the closing part, you can learn how to recover missing or unallocated space on USB drive. Besides, it gives other solutions to deal with unallocated disk, for example, create new partition on unallocated disk as well as recover data from unallocated area. The article posted here is going to talk about unallocated disk space, explaining how to add unallocated apace to partition or system drive.
