Introduction
Sometimes your data has repeated rows that can confuse your reports. Removing duplicates helps you keep only unique records so your analysis is clear and accurate.
When your sales data has multiple entries for the same order and you want to count each order once
When customer lists include repeated contacts and you want to send one email per person
When product inventory data has duplicate rows and you want to see the correct stock count
When importing data from multiple sources that overlap and you want to clean it before analysis
When preparing data for charts that should show unique categories without repetition