Excel, Power BI and Power Query – Data Analysis Made Simple

Practical courses, clear examples, and lessons you can apply right away.

Popular Microsoft data tools
ExcelPower QueryPower BI
Sales report Refresh
Refreshing…
Raw export · sales.xlsx
order_iddateproductqtyunit_pricecustomerregion
SO-104345301Prod A126.9Acme LtdN
SO-104445303prod c412.4Bright Conorth
SO-104545305Prod B734.9CirrusE
SO-104645306Prod A36.9delta coeast
SO-104745309Prod D209EchoS
SO-104845312Prod C512.4Foxtrotsouth
Different date serials, inconsistent text, several source files — copied by hand every month.
Automated report · Power BI
Revenue
€248k
▲ 12.4%
Orders
1,240
▲ 6.1%
Avg. order
€200
▲ 2.4%
Margin
41%
▲ 1.2%

Revenue trend

€ thousands · Jan–Jul 2026
JanFebMarAprMayJunJul
How I help

Stop building reports by hand

I automate repetitive report preparation with Excel, Power Query and Power BI — so what used to take days now refreshes in minutes.

XL

Excel reports

Monthly, weekly or other recurring reports — prepared automatically, without manual copy-paste.

PQ

Power Query pipelines

Data import, cleaning and combining from multiple files or sources — all refreshed with one click.

BI

Power BI dashboards

Clear KPIs and interactive reports for managers and teams, refreshed on a schedule.

Not sure what can be automated?

Tell me which reports you prepare and what takes the most time — I'll assess for free whether it can be automated and where to start.

Free consultation →
Example project

What an automated report looks like

From messy CSV files to one self-refreshing dashboard — a real-world project with real data.

Power Query · Excel

Automating solar plant production reports

Each month’s grid (ESO) CSV files are automatically combined, cleaned and turned into a clear Excel dashboard. A new report in about a minute.

~1 min
report refresh
5 → 1
files combined automatically
3 359
rows of data
View the case study →
Solar plant production report
Power Query · refreshes automatically
2 940 kWh
Total output
21 kWh/d
Avg. daily

What Will You Find on analytics.bi?

Three core topics – Excel, Power BI, and Power Query.

X

Excel

Formulas, XLOOKUP, tables, and faster work with data.

BI

Power BI

DAX, models, and clearer reports for better decisions.

PQ

Power Query

Data cleanup, transformations, and automation.

Mini Course · Excel (10 min)

Learn to Merge Excel Tables with XLOOKUP

A clear, practical example of using XLOOKUP quickly and without errors.

About the Project

analytics.bi – Data Made Simple

Here you'll find explanations of Excel, Power BI, and Power Query without unnecessary theory.

The goal is to help you find answers faster, understand the logic, and apply solutions in practice.

More about the project →

Why is it worth reading?

  • Simple explanations without complicated terminology.
  • Real examples from working with data.
  • Topics for beginners and advanced users alike.

Have a question or a topic idea?

Get in touch to suggest a topic, ask about a course, or discuss collaboration.