Data Cleaning in Excel

In this lesson, we will learn data cleaning in Excel. We will understand how to find duplicates, check blank cells, remove extra spaces, fix numbers stored as text, solve data type problems, and prepare analysis-ready data through practical examples. ## Lesson objective In this lesson, we will learn data cleaning in Excel. In the previous lesson, we covered Conditional Formatting. We learned how to format cells based on conditions, highlight duplicate values, mark negative profits, use data bars, color scales, and formula-based formatting. Now we move to one of the most important stages in Excel data analytics: data cleaning. In real work, data often does not come in a clean format.