unable to merge primary partition with free space

Question

I want to merge my C drive with free space. But there isn't an option for this on Windows 8. Does anyone know how I would do this?

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Right-click the free space volume, and choose **Delete Volume** from the context menu. The space will become unallocated, and you should be able to extend the volume. — and31415, Jul 31 '14 at 09:26
it says "This is an extended partition. If you delete it, it will become inaccessible". Should I delete it anyway ? — Prashant Yadav, Jul 31 '14 at 09:41
Yes, you should. Let me know if you fixed your issue so I can actually post an answer. — and31415, Jul 31 '14 at 10:59

score 5 · Accepted Answer · answered Jul 31 '14 at 11:11

Solution

In order to extend a volume through the built-in disk management utility, there are some requirements. Here's what the documentation says:

For logical drives, boot, or system volumes, you can extend the volume only into contiguous space and only if the disk can be upgraded to a dynamic disk.

To extend a basic volume, it must either raw (not formatted with a file system), or it must be formatted with the NTFS file system.

_{Source: Extend a Basic Volume}

In this case, what you need to do is to right-click the free space volume, and choose Delete Volume from the context menu. The space will become unallocated, and you should be able to extend the volume.

unable to merge primary partition with free space

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