Thanks for visiting our forum. Microsoft Teams tag is mainly focused on the general issue of Microsoft Teams application troubleshooting. Based on your description, this problem is not in our support scope. The following is for informational purposes only:
Based on our research, I've just found two similar cases that you may to contact the Microsoft Community Support and provide them with some information related to your certification profiles, such as your MCIDs, email addresses, and score reports. They will then transfer your certificates to one account and enable you to download them.
Hope the above information is helpful for you!
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