✨ Special Offer: Buy one exam and get the next two for FREE!
Microsoft Microsoft Dynamics 365 ✓ Updated May 2026

Microsoft Dynamics 365 Business Central Developer

Exam Code: MB-820
117+
Practice Q&A
99%
Pass Rate
PDF
Format
24/7
Support
Instant download after payment
Verified by experts
90,000+ professionals trust us

About the MB-820 Exam

The MB-820: Microsoft Dynamics 365 Business Central Developer exam is a specialized certification for developers who build and extend business applications using the Dynamics 365 Business Central platform. This Microsoft exam validates your ability to design, develop, test, and deploy solutions using AL language, Visual Studio Code, and the Business Central development environment. As a developer, you will focus on creating customizations, integrations, and extensions that address real-world business needs such as inventory management, financial reporting, and supply chain optimization.

Earning the MB-820 certification demonstrates your expertise in applying development best practices, including object-oriented programming, event-driven design, and data migration. The exam covers key areas like application lifecycle management, performance optimization, and security implementation. With the growing adoption of Dynamics 365 Business Central among small and medium-sized businesses, skilled developers are in high demand to tailor the platform to specific industry requirements, making this certification a valuable asset for career advancement.

This exam is ideal for developers who have experience with Microsoft development tools and are comfortable working with cloud-based solutions. By passing MB-820, you prove your ability to deliver robust, scalable, and maintainable solutions that enhance business processes. The certification also opens doors to roles such as Dynamics 365 developer, technical consultant, and solution architect, positioning you as a trusted expert in the Microsoft ecosystem.

Who Should Take the MB-820 Exam?

The MB-820 exam is designed for developers with 1-2 years of experience building applications on the Microsoft Dynamics 365 Business Central platform. Ideal candidates are proficient in AL programming, Visual Studio Code, and have a solid understanding of business processes like finance, sales, and inventory. Prerequisites include familiarity with object-oriented programming concepts and basic knowledge of Azure DevOps for version control and deployment.

Topics Covered in MB-820

📊
Design and develop AL extensions and customizations
📜
Implement business logic using events and triggers
💡
Manage application lifecycle with DevOps and CI/CD
🛡️
Integrate with external systems and web services
🏗️
Optimize performance and troubleshoot code
🔧
Secure data access and implement permissions
⚖️
Work with data migration and upgrade scenarios
🎯
Use Visual Studio Code and AL language effectively

Preparation Tips for MB-820

Set up a free Dynamics 365 Business Central sandbox environment to practice coding extensions and debugging in a safe space.
Focus on mastering AL language fundamentals, especially table extensions, page customizations, and codeunits, as these are heavily tested.
Review Microsoft Learn modules specifically for MB-820, which include hands-on labs and real-world scenarios for building extensions.
Join the Dynamics 365 Community or related forums to discuss common development challenges and share tips with other candidates.
Take multiple practice tests to simulate the exam format and identify weak areas, particularly around events, performance, and security.

Frequently Asked Questions — MB-820

What programming language is tested in MB-820?

The MB-820 exam focuses on the AL programming language, which is used to develop extensions and customizations for Dynamics 365 Business Central. You will need to write and debug AL code in Visual Studio Code, including creating table extensions, page customizations, and codeunits.

How long is the MB-820 exam and what is the passing score?

The MB-820 exam typically lasts 2 hours and includes 40-60 questions. The passing score is 700 out of 1000, based on Microsoft's scaled scoring system. Questions may include multiple-choice, case studies, and scenario-based tasks.

Are there any prerequisites for taking the MB-820 exam?

Microsoft does not require formal prerequisites, but it is recommended that candidates have at least 1-2 years of experience developing with Dynamics 365 Business Central. Familiarity with AL, Visual Studio Code, and business processes like finance and inventory is essential for success.

How many questions are in the ExamsTree MB-820 study guide?
The ExamsTree MB-820 PDF study guide contains 117+ practice questions with detailed answer explanations, all mapped to the official Microsoft exam objectives.

Why Choose ExamsTree?

ExamsTree MB-820 Study Guide is developed by experienced certification professionals with deep knowledge of Microsoft technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

117+
Practice Questions
PDF
Instant Download
24/7
Customer Support
MB-820
€59.99
€29.99
Save 50%
★★★★★ 4.9 · 1,658 reviews
🏆
Pass Guarantee Use our guide, fail the exam — get a full refund. No questions asked.
  • Instant PDF download
  • 117+ verified questions
  • Updated 5/24/2026
  • Works on any device
  • 24/7 customer support
  • PayPal / Card / Crypto
Exam Details
Vendor Microsoft
Questions 117+
Format PDF
Updated 5/24/2026
Cert Microsoft Dynamics 365
🔒Secure payment
Instant access
🔄Free updates
💬24/7 support