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. You find this feature under the menu: Data > Remove Duplicates
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Method 1: How to remove duplicates in Google Sheets with the Remove Duplicates tool Video: how to remove duplicates in Google Sheets using the UNIQUE formula and Add-on methods I do use all of these different methods myself, for the different scenarios described above.
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However, it’s a paid add-on which seems unnecessary given the other free tools at your disposal. making a fresh copy of the data, highlighting the duplicate entries first for review etc.) so is a good option if you need to understand the duplicates. Method 6: Add-on gives you more options for how you remove the duplicates (e.g. 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 it’s great tool to use when you’re unsure if you have duplicates and you’re checking your data. Method 3: Pivot Tables are a great way to search for duplicates in Google Sheets. They have the advantage of getting your hands dirty with the data so you really see the duplicate entries up close. The IF formula method is a robust but rather old-school approach. Method 2: Formulas The UNIQUE formula is great for small, simple datasets or when you need to remove duplicates inside a nested formula. Method 1: Remove Duplicates tool is the most robust, practical method of removing duplicates. However, here’s a rundown of when it might make sense to use the different methods: In most cases, I would advocate using the Remove Duplicates tool, because it’s quicker and easier than the other methods. How to remove duplicates in Google Sheets? Recommendations Method 6: How to remove duplicates with an Add-On.Method 5: How to remove duplicates with Apps Script.Method 4: How to remove duplicates with Conditional Formatting.Method 3: How to remove duplicates with Pivot Tables.Method 2: How to remove duplicates with formulas.Method 1: How to remove duplicates with the Remove Duplicates tool.In this guide, I’ll show you six different techniques on how to search for duplicates in Google Sheets and how to remove duplicates in Google Sheets.
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Thankfully, it’s not too painful or time-consuming to fix them. So it’s best that you deal with them head-on. 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.
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Imagine you had two instances of the same client transaction for $5,000 in your database. It’s critical that they are found and removed before any data analysis is performed.
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They’re a huge problem and the bane of any data analyst’s life. In this post, you’ll see how to remove duplicates in Google Sheets using the Remove Duplicates tool, the UNIQUE function, Pivot Tables, Conditional Formatting, Apps Script or an Add-On.įirstly though, what are duplicates? And why are they a problem?ĭuplicates (or duplicate entries, or duplicate rows) are instances of the same record appearing in your data more than once.