This article is trying to respond a question I get quite often:

Does Power BI replace Excel? Which one should I use for my reports?

Small disclaimer at the beginning. I´d like to keep this article short, so I´ll simplify something a bit.

Power BI Excel ship sun image

How does Excel work?

In Excel you can write data, calculate them, create statistics. You are not connected to any database, online app or external file. There are just few users of your report.

Benefits? You know them:

  • It is quick
    Even beginner can create a table in few minutes. This results from:
  • User friendliness
    Everyone (well, maybe not everyone, but…) can create an Excel table.
  • Flexibility
    Need to add new column? Write a note? Change a calculation? Remove rows? Change color of cell? Everything is possible and everything can be done in a moment.
  • Statistics
    Charts, pivot tables, comparisons… Little effort, quick result.

All in all, if you don´t need a connection to external source, if you don’t share your work with many people or if you don´t do the same work repeatedly, you can stay with your hated and beloved Excel.

How does Power BI work?

In Power BI data is usually not directly written, it is downloaded from other sources (accounting, HR systems, SAP, Google Analytics, MS SQL, Excel…), modified and presented in reports.

Reports are available on portal – online, for everybody (who has rights to see them)

What does it mean?

  • Extremely easy team sharing
    No sending of files, everything is on
  • Security
    Due to RLS everyone can only see its content
  • Auto refresh
    Report on gets data from sources itself. Compared to Excel it is more time consuming at the beginning (to setup), but later it works automatically. So, totally, Power BI can save your time.

Two notes at the end

Unclear borders

Some parts of Power BI are integrated in Excel (as Power Query and Power Pivot). So, do they belong to Power BI or Excel?

More complex statistics

If you do sophisticated calculation in statistics, technics, physics, whatever, Excel could be better for you. Not only because its flexibility, but also thanks to incomparably larger scale of functions.

On the other hand, being big data expert, maybe you sometimes work with R. And R script is much better supported in Power BI.

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