Hi Paweł Onyśków,
Thank you for reaching out to Microsoft Q&A Forum.
I understand you want to merge your Microsoft accounts to keep your certification organized under one profile. Unfortunately, Microsoft Q&A forum does not support Microsoft certifications. For assistance with Microsoft certifications, please kindly ask questions in the dedicated community below:
Training, Certification, and Program Support Community
Or contact Pearson VUE Support:
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These teams will be able to assist you directly with your certification record and help you access your certificate.
Thank you for your understanding.
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