Exam guide · MB-820
Microsoft doesn’t give an exact number of questions for MB-820: most of its exams have 40 to 60 questions. You get 100 minutes. You need 700 out of 1000 to pass. It costs $165 (in the United States; set by country). Microsoft hasn’t announced a retirement date.
Last updated
The exam at a glance
From Microsoft’s own pages, checked every week (last on November 7, 2026). The cost is checked every week too. How we check our facts
Versions and dates
Microsoft hasn’t announced a retirement date for MB-820. We check Microsoft’s site every week, and this page changes the day it does.
Exam domains
Each domain’s share of the exam, as Microsoft publishes it. Spend your study time in the same proportion.
1Describe Business Central
10–15%
2Install, develop, and deploy for Business Central
10–15%
3Develop by using AL objects
35–40%
4Develop by using AL
15–20%
5Work with development tools
10–15%
6Integrate Business Central with other applications
10–15%
Prepare
Free tools to find your weak domains and plan your weeks, then full practice exams in OpenpassAI.
Free practice test
Original questions across the exam’s domains, each with an explanation, and your score by domain.
Take the testFree study plan
Pick your exam date and weekly hours, and get a plan weighted like the domains above.
Make my planMicrosoft certifications
Every Microsoft certification on one map, with each exam’s facts checked weekly.
See the Microsoft pageTake it further in OpenpassAI
Timed exams weighted like the real one, an AI tutor that explains every answer, and a readiness score for each domain.
FAQs
Find quick answers or contact our support team.
Microsoft doesn’t give an exact number for MB-820: most of its exams have 40 to 60 questions. You get 100 minutes.
You need 700 out of 1000: the same for every Microsoft technical exam.
$165 (in the United States; set by country). Check Microsoft’s site for the price in your country.
Microsoft hasn’t announced one yet. We check Microsoft’s site every week, and this page changes the day it does.
None: Microsoft sets no prerequisites for MB-820. Knowing the exam’s domains well is what counts.
Weight your time like the exam: Develop by using AL objects carries the most (35–40%). Take the free practice test to find your weakest domains, make a study plan around them, and before you book, sit full-length timed practice exams until you pass them comfortably.
MB-500
AB-400
GH-600
GH-300
OpenpassAI
Hi 👋 I’m OpenpassAI. Ready to prepare for your exam the smarter way?
Ready to explore OpenpassAI? I can show you how the platform helps you prepare, practice, and pass.
