One of the questions I hear most often from students is:
“Which Excel functions should I learn first for data analysis?”
If you’re just getting started, these five functions will provide an excellent foundation and are used regularly by business analysts, accountants, financial professionals, and researchers.
1. SUM()
The foundation of quantitative analysis. Quickly totals sales, expenses, survey results, or any numerical data.
2. AVERAGE()
Calculates the mean of a dataset, helping identify typical values and overall trends.
3. COUNT() / COUNTA()
Understand your data before analyzing it.
COUNT() counts cells containing numbers.
COUNTA() counts all non-empty cells, regardless of data type.
4. IF()
Introduces logical decision-making into your spreadsheets by returning different values based on specified conditions.
5. XLOOKUP()
One of the most powerful modern Excel functions for finding and retrieving information across datasets. It has largely replaced older lookup methods and is indispensable for combining data from multiple sources.
These five functions won’t make you an expert overnight—but they will dramatically improve your ability to clean, summarize, and interpret data.
What Excel function do you find yourself using most often? I’d love to hear your answer in the comments.