Updated 1 Nov 2026 · 5 min read
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What the Microsoft PL-300 is and who it is for
The PL-300, Microsoft Power BI Data Analyst, is the exam behind the Microsoft Certified: Power BI Data Analyst Associate certification. Microsoft rates it intermediate and describes the candidate as someone who delivers actionable insights from data through easy-to-understand visuals and enables others to do self-service analytics.
You work with stakeholders on requirements and with data engineers to get the data, then use Power BI to prepare, model, visualise and secure it. Microsoft says plainly that you should be proficient in Power Query and Data Analysis Expressions (DAX). The current skills measured date from 20 April 2026, and Microsoft shows no retirement notice for the exam.
Microsoft PL-300 at a glance
| Item | Detail |
|---|---|
| Exam code | PL-300 |
| Time allowed | 100 minutes |
| Passing score | 700 out of 1,000, scaled |
| Exam fee | US$165 in the US, priced by the country or region where you sit it |
| Languages | English, Japanese, Chinese (Simplified), Korean, German, French, Spanish, Portuguese (Brazil), Chinese (Traditional) and Italian |
| Where you sit it | Pearson VUE, online proctored or at a test centre |
| Certification valid for | 12 months, renewed with a free online assessment |
Microsoft does not publish a question count for the PL-300. It says most of its certification exams typically contain between 40 and 60 questions, but that the number varies by exam, so plan your pacing around the 100 minutes rather than a fixed number.
What is on the exam
Prepare the data (25 to 30%). You connect to sources or a shared semantic model, set credentials and privacy levels, and choose between Import, DirectQuery and DirectLake. Then you profile and clean the data in Power Query: column statistics, nulls, import errors, data types, pivot and unpivot, grouping, merging and appending queries, and knowing when a reference query beats a duplicate.
Model the data (25 to 30%). You set relationship cardinality and cross-filter direction, handle role-playing dimensions, build a common date table and decide when a calculated column or table is the right tool. The DAX half covers CALCULATE, time intelligence, semi-additive measures, basic statistical functions, quick measures and calculation groups. It closes with performance: removing unnecessary rows and columns, reducing granularity, and finding slow measures and visuals with Performance Analyzer and DAX query view.
Visualize and analyze the data (25 to 30%). Choosing and formatting visuals, themes, conditional formatting, slicing and filtering, and when a paginated report is the better choice. Storytelling features matter too: bookmarks, custom tooltips, drillthrough, sync slicers, visual interactions, mobile layouts and accessibility. Copilot appears here too, for narrative visuals, new report pages and summarising the semantic model, alongside visual calculations, AI visuals, forecasting and outlier detection.
Manage and secure Power BI (15 to 20%). You create workspaces, publish and update items, build dashboards and apps, choose a distribution method and set up subscriptions and data alerts. You need to know when a gateway is required and how to schedule a semantic model refresh. On the security side it tests workspace roles, item-level access, row-level security roles and group membership, and sensitivity labels.
Why people fail it
The biggest trap is assuming that daily Power BI use is enough. Plenty of candidates can build a good-looking report in Desktop but have never studied how the exam phrases questions. They lose marks on details such as which storage mode a scenario needs or which relationship setting stops a filter reaching a table.
DAX under filter context is the next hurdle. Writing a measure that returns a number is easy. Predicting what CALCULATE returns when a slicer, a row context and a relationship all interact is not, and the exam expects you to reason it through from the formula alone.
The weighting also leaves nowhere to hide. Three domains carry 25 to 30% each, so you cannot lean on strong modelling to cover weak Power Query skills. The lightest domain, manage and secure, is still 15 to 20% and is easy to neglect, because many analysts never administer a workspace, configure row-level security or set up a gateway in their own jobs.
A study plan that fits the exam
Six weeks works for most people who already use Power BI. The split follows the weights: roughly equal time on the three big domains, a shorter week on the service, and a final week of timed practice.
- Week 1: getting and cleaning data. Connect to a few different sources, change credentials and privacy levels, and compare Import, DirectQuery and DirectLake on the same data. Profile columns, fix errors and nulls, then take the free PL-300 practice questions to see where you stand.
- Week 2: transforming and loading. Pivot, unpivot, group, merge and append. Turn a flat extract into fact and dimension tables with clean keys, and learn the difference between reference and duplicate queries.
- Week 3: the model. Build a star schema, set cardinality and cross-filter direction, add a date table and a role-playing dimension. Practise explaining why a relationship does or does not filter.
- Week 4: DAX and performance. Write CALCULATE, time intelligence and semi-additive measures by hand, then build a calculation group. Run Performance Analyzer on a slow report and fix what it finds.
- Week 5: reports and the service. Spend the first half on bookmarks, drillthrough, tooltips, sync slicers, mobile layouts and Copilot features. Spend the second half publishing to a workspace: roles, apps, scheduled refresh, gateways, row-level security and sensitivity labels.
- Week 6: timed runs. Work through the questions-only copy in the PL-300 practice question pack in 100 minute blocks, then read the explanation for every miss.
On exam day
You schedule through Pearson VUE from the certification page and can sit it online or at a test centre. Microsoft recommends registering with a personal Microsoft account rather than a work or school account, because exam records tied to an organisational account are lost if you leave that organisation.
You get 100 minutes of exam time, and Microsoft suggests allowing 120 minutes of seat time for associate exams like this one to cover instructions and the candidate agreement. Breaks are allowed, but the clock keeps running and you cannot return to questions you saw before the break. Associate exams also give you access to Microsoft Learn in a split screen during the test. No extra time is added, so use it for one detail, not every answer.
If the exam is not offered in your preferred language, you can request an additional 30 minutes. There is no penalty for guessing, so answer every question.
Frequently asked questions
Is the practice question pack enough on its own?
No, and it is not meant to be. It is practice, not a course. The 399 questions with explanations show you how Microsoft tests each skill and where your gaps are, but the PL-300 rewards hands-on time in Power BI Desktop and the service. Build the models and reports yourself, then use the questions to check the knowledge has stuck and to rehearse under time.
What happens if I fail the PL-300?
You can retake it after 24 hours. After that, Microsoft requires 14 days between attempts, with a maximum of five attempts in the 12 months from your first. You pay for each retake. Your score report breaks down performance by skill area, so use it to plan your next round.
How do I keep the certification?
It lasts 12 months. You renew for free by passing a short, unproctored, open-book online assessment on Microsoft Learn during a six-month eligibility window before it expires. Passing extends the certification by one year from the expiry date.
Try the free questions first, then get all 399 PL-300 practice questions with full explanations for US$39, pass or your money back: get the PL-300 pack.
Sources
The official pages the facts in this guide were checked against.
- learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/pl-300
- learn.microsoft.com/en-us/credentials/certifications/data-analyst-associate/
- learn.microsoft.com/en-us/credentials/certifications/exams/pl-300/
- learn.microsoft.com/en-us/credentials/certifications/exam-scoring-reports
- learn.microsoft.com/en-us/credentials/exam-pricing.json
- learn.microsoft.com/en-us/credentials/certifications/online-exams
- learn.microsoft.com/en-us/credentials/support/exam-duration-exam-experience
- learn.microsoft.com/en-us/credentials/support/retake-policy
- learn.microsoft.com/en-us/credentials/certifications/renew-your-microsoft-certification