Hello, Sriharimanoj R
If you are still looking for solution, please follow below guidelines.
To resolve your issue, you should go to MS Training Support at https://trainingsupport.microsoft.com/en-us/
Then click on Ask a Question button.
On the Question page, describe your issue.
Select the below to categorize your question.
- Forum: Microsoft Credentials
- Support Area: Learn
- Topic: Profile
- Sub topic: Legal Name change
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Someone from MS Support should get back to you in the next working day or two.
Hope this helps.
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