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.
