cannot format external hard drive

[citrix]

I have new 8tb external hard drive need use data recovery . I used Rufus to install windows to go. Rufus set maximum size to 2tb. now I want to format the drive back to 8tb. When use Windows format, it can get 2tb.

how to solve this issue?

 

[nmsuk]

goto disk management, locate the drive and extend the partition, if thta wont work delete whatever partition and then re partition and then format.