Hello @Sujan Thapa,
for the certification "Microsoft 365 Certified: Administrator Expert" certification, you must meet and pass the following prerequisites and exams:
One of the following prerequisites must be met:
- Microsoft 365 Certified: Endpoint Administrator Associate
- Microsoft 365 Certified: Messaging Administrator Associate
- Microsoft 365 Certified: Teams Administrator Associate
- Microsoft Certified: Identity and Access Administrator Associate
- Microsoft Certified: Information Protection and Compliance Administrator Associate
You will then need to take the following exam:
On September 6, 2023, the Microsoft 365 Certified: Enterprise Administrator Expert will be renamed Microsoft 365 Certified: Administrator Expert.
This certification can be earned by completing the following requirements:
- Pass Exam MS-100 and Exam MS-101, or
- Pass Exam MS-102
If this is helpful, please accept the answer. Thank you.