How do I merge together Variation Attributes?
To merge two Variation Attributes together (e.g. Colour & Color):
1. Select your product by navigating to your product details page
2. Click on the Variations tab
3. Click the Manage Attributes button in the top right hand corner of the page
4. Click on the name of the Attribute you wish to merge out (this is the one that will be removed)
5. On the Attribute detail page, click the Merge With... button in the top right hand corner of the screen
6. On the page that appears, select the Attribute you wish to merge into (this will be the one that is kept)
7. Click the Yes, Merge button to confirm the merge.