This is an open forum with a mix of program users and Adobe staff, not Adobe support... you need Adobe support
Adobe contact information - http://helpx.adobe.com/contact.html may help
-Select your product and what you need help with
-Click on the blue box "Still need help? Contact us"
Welcome to Adobe Forum,
The personal account is the one which you can access from www.adobe.comor whose information are stored & registered there under your Email ID.
The corporate account are those which are registered & can be accessed from www.licensing.adobe.com
The former one is a retail account while the later is the volume licensing account.
1. Retail & volume licenses or account can not be merged.
2. If both accounts are of same type the they can be merged together by contacting Adobe. (there are different policies to be followed as per situation)