Hi @Abdullah Dandeni
According to the link: https://learn.microsoft.com/en-us/credentials/certifications/mos-excel-expert-m365-apps/?practice-assessment-type=certification, it is Exam MO-210: Microsoft Excel (Microsoft 365 Apps).
Then according to the link: https://learn.microsoft.com/en-us/credentials/certifications/microsoft-office-specialist-expert-m365-apps/, passing Exam MO-210, Exam MO-211 and other required exams, you may earn a Microsoft Office Specialist: Expert certification,
Here are also skills outlines you may have a look:
Exam MO-210: https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE5axcj
Exam MO-211: https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RW10j3G
Hope the information could be helpful.
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