Free Microsoft certification practice tests

MS Exam Lab is a free practice platform for Microsoft technical certification exams. Official exam vouchers and retakes cost $99–$300 per attempt, and most premium practice sites cap your attempts behind a subscription. MS Exam Lab removes the cost barrier: unlimited, untimed practice for everyone, plus low-cost timed exam simulations on the Pro tier.

What you can practice

Every Microsoft certification track is covered: Azure (AZ-900, AZ-104, AZ-204, AZ-305, AZ-500, and more), Microsoft Fabric & Power BI (DP-600, PL-300), AI (AI-900, AI-102), Security (SC-900, SC-300), Modern Work (MS-900, MS-102), Power Platform (PL-900, PL-400), Dynamics 365 (MB-800), and GitHub (GH-300). Questions are AI-generated and weighted to each exam's official skills-measured outline.

Why practice here

• Free, unlimited, untimed practice with no attempt caps, ever.
• Questions weighted by the official exam domains, so your score reflects real readiness.
• Domain-by-domain feedback with an explanation for every question.
• Pro adds timed 40- and 60-question exam simulations, in-practice hints, and study mode.

Get started

Browse the full catalog of Microsoft certification practice exams; every exam page includes its own free study guide. See plans & pricing, read how MS Exam Lab works, or get answers to common questions in the FAQ.

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