The process is known as file carving and can be done manually or with the help of a tool. Right-click on the unallocated space and choose the Extend volume option.
September 2021 Update: We currently suggest utilizing this program for the issue. However the Boot Camp set up was not successful and now my Mac's hard drive is only 750 GB big.The 250 GB can not be added again on my Mac. Unallocated space, also referred to as “free space,” is the area on a hard drive where new files can be stored.The Volumes tab shows: Type: Removable Status: No Media Partition style: Not Applicable Capacity: 0 MB Unallocated space: 0 MB Reserved space: 0 MB. exe to wipe free space on it, steps are like below: Right-click on the unallocated space and choose New simple Volume wizard. _ Drive 0 unallocated spaceĭrive 0 unallocated space 3 GB.