Thanks for help.
I think what I am going to do is:
Copy whatever data I want to keep from the d:
Then try a 3rd party application to merge the partitions.
If it don't work, I will have the data...

Thanks for the help!
Am I right in assuming I can use 3rd party software to merge the 2 partitions without losing the data on the D:?

I am trying to combine my C: with D:.
There are 3 other partitions on the drive and I'm not sure which partitions it is safe to delete or combine.
1st Partition: 1.36 GB Healthy (Recovery...