You can start off with MTA (Microsoft Technology Associate) or if you are a seasoned professional you can go straight to MCSA (Microsoft Certified Solutions Associate) or MCSE (Microsoft Certified Solutions Expert).
MCSA: Office 365 Certification
MCSA: SQL 2016 Database Administration Certification
MCSA: SQL 2016 BI Development Certification
MCSA: SQL 2016 Database Development Certification
MCSA: Microsoft Dynamics 365 Certification
MCSA: Microsoft Dynamics 365 for Operations Certification
MCSA: Windows Server 2016 Certification
MCSA: Windows Server 2012 Certification
Microsoft Specialist: Microsoft Exchange Server 2016 Certification
MTA: Developer Certification
MTA: Database Certification
Microsoft Specialist: Microsoft Visual Studio Certification
MCSA: BI Reporting Certification
MCSE: Business Applications Certification
MCSA: Linux on Azure Certification
MCSA: Web Applications Certification
MCSA: Universal Windows Platform Certification
MCSA: Machine Learning Certification
MCSA: SQL Server 2012/2014 Certification
MCSE: Mobility Certification
MCSD: App Builder 2016 Certification
MCSA: Data Engineering with Azure Certification
Microsoft 365 Certified: Enterprise Administrator Expert
Microsoft 365 Certified: Modern Desktop Administrator Associate