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I am using Windows Vista Home Premium Service Pack 2. I have now 4 volumes "C:", "D:", "E:", "F:". Now I shrink 30 GB space from my "C:" drive. I want to extend any of the "D:" or "E:" drive with the free space. But when I am right clicking on any of these volumes, "Extend volume" option is disabled. How can I extend this volume?
Some Screenshots are given below:

Screenshot 1:
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Screenshot 2:
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Screenshot 3:
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up vote 3 down vote accepted

You can't extend backwards on the drive, only forwards. That space will only be available to your C: drive.

To manage your partitions more effectively, check out this question:

windows 2008, Resize partition

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What is "backwards" and "forwards" here. I don't know. Can you please explain? – chanchal1987 Nov 20 '10 at 19:31
Look at the picture. Left is backwards, right is forwards. You cannot resize the drive on the right using the space freed up on the left. You can only resize with space available immediately to the right of the given drive. – user3463 Nov 20 '10 at 19:36
Are there any procedure to extend "backwards"? – chanchal1987 Nov 20 '10 at 19:51
Check my updated answer. – user3463 Nov 20 '10 at 19:57
@ Randolph Potter: Thanks... – chanchal1987 Nov 20 '10 at 19:59

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