I have installed Windows 10 in external HDD for my Mac Book and here is the steps followed.

When I installed windows in bootcamp, I have selected only 30GB space and restored to external 1TB hard disk. Now unable to access the remaining space in Windows. Now how to get that space for use?

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migrated from serverfault.com May 12 '16 at 15:48

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  • Are you asking a question? – joeqwerty May 12 '16 at 15:34
  • @joeqwerty yes, my bad missed it. – devo May 12 '16 at 15:37
up vote 4 down vote accepted

I think you need to extend the filesystem.

list the volumes DISKPART> list volume

select the volume which does not show all the space available DISKPART> select volume [x]

DISKPART> extend filesystem

This is based on information from the post below regarding virtual machines but it may help:

https://blog.mrpol.nl/2013/08/16/after-partition-extend-file-system-displays-wrong-disk-size-in-windows/

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