Clean messy excel data before report
Have you ever opened an Excel file and found the same customer written three different ways, empty cells everywhere, extra spaces in names, and dates that refuse to behave like dates? If you work with Excel reports, MIS data, sales records, customer lists, or operational reports, you have almost certainly seen this mess. The problem is simple: a report is only as reliable as the data behind it. Before creating a PivotTable, dashboard, chart, or Power BI report, it is worth spending a few minutes cleaning the data. A small cleanup can prevent hours of confusing results later. In this guide you will learn a practical, step-by-step workflow, with working formulas, a sample dataset, common mistakes, and a final checklist you can reuse every time. Quick Summary (Read This First) Always work on a copy of the original file. Fix spaces, text case, blanks, duplicates, numbers stored as text, and dates, in that order. Convert the cleaned range into an Excel Table (Ctrl + T). Compare your final...
