Highlight your dataset and create a Pivot Table (under the Data menu).Ī new tab opens with the Pivot Table editor. They’re extremely flexible and fast to use, so they’re often a great place to start if you’re unsure whether you have any duplicates in your data. Pivot Tables are a great tool to use to search for duplicates in Google Sheets. If you’re new to Pivot Tables, check out my article Pivot Tables 101: A Beginner’s Guide.
#BEST DUPLICATE CHECKER GOOGLE SHEETS ADD ONS HOW TO#
Method 3: How to find duplicates in Google Sheets using Pivot Tables Note: If you have a large dataset, with a lot of duplicates, then it’s best to turn the Duplicate column into values (Copy > Paste Special), sort by this column so all the duplicates (TRUEs) are in a block at the bottom of your dataset, and then delete them in one big group. The final step is to select the rows with TRUE values (the duplicates) and delete them. But when the value shows up a second time, the count will be 2, so the formula result will be TRUE. When a value shows up for the first time, the count will be 1, so the formula result will be false. So this formula checks for duplicates in the current row back up to the top. The $ sign is key here because it locks the range to the top of the column, even as you copy the formula down column B. It’s very easy to implement as it involves a single formula with a single argument - the range you want to de-duplicate (remove duplicates from).
In other words, it compares each row of data and removes any rows that are duplicates (identical to any others across the whole row). The UNIQUE function considers all the columns of your data range when determining the duplicates. This method deletes duplicates in the range of data you select. Method 2: How to remove duplicates in Google Sheets using formulas 2.1 Use the UNIQUE formula The duplicates will then be removed and you’ll be presented with a summary report, telling you how many duplicates were removed: You may want to remove duplicates where the rows entirely match, or you may wish to choose a specific column, such as an invoice number, regardless of what data is in the other columns. When you click Remove Duplicates, you’ll be prompted to choose which columns you want to check for duplicates. Method 1: How to remove duplicates in Google Sheets with the Remove Duplicates tool Method 5: Apps Script is useful for developers who want to remove duplicates from Sheets as part of their apps, or someone who needs to repeatedly and automatically de-duplicate their data. Method 4: Conditional Formatting is a great way to highlight duplicates in Google Sheets. Pivot Tables are extremely flexible and fast to use, so they’re a great tool to use when you’re unsure if you have duplicates and want to check your data. Method 3: Pivot Tables are a great way to highlight duplicates in Google Sheets. Method 2: Formulas The UNIQUE function is great for small, simple datasets or when you need to remove duplicates inside a nested formula. Method 1: Remove Duplicates tool is the easiest method of removing duplicates.
However, here’s a rundown of when to use the different methods:
Method 2: How to remove duplicates with formulas.Method 1: How to remove duplicates with the Remove Duplicates tool.You’ll make decisions based on the wrong data. When you summarize your data, you might think you have $10,000 in revenue from that client when in fact you only have $5,000. Imagine you had two instances of the same client transaction for $5,000 in your database. They’re a huge problem and it’s critical to find duplicates in Google Sheets before any data analysis is performed. In this post, you’ll see how to highlight duplicates in Google Sheets and how to remove duplicates in Google Sheets.ĭuplicates are instances of the same record appearing in your data more than once.
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