Find duplicates in excel

※ Download: Find duplicates in excel The Fill Handle is the little notch that most users drag down a column when copying formulas. Hope it is clear. This article seems to be very interesting, but I have noticed that the formula syntax in my MS Excel is different. How to find duplicate rows in Excel in 2 quick steps To test the capabilities of our Duplicate Remover add-in, I've created a table with a few hundred rows that looks like follows: As you see, the table has a few columns. And if the data you are working with is huge, then it becomes really difficult to find and remove these duplicates in Excel. I have an issue regarding to duplbicates in Excel. As you can see, the function returns the correct count, and it's a quick fix. How to Find Duplicate Values in Excel using VLOOKUP - Figure C Dragging the same to both sections forces a unique count. Now, I want to count the unique Degrees for cell G2, if there is 389841988 Company ID for First company in A and there is 2011 in Column B. For good measure, I'll also describe a worksheet function-based approach that works in any version of Excel. As shown in Figure 1, you can easily identify duplicate invoice numbers in a list. One way to do so is to click on a single cell and then press Ctrl-A. Figure 1: Excel's Conditional Formatting feature makes it easy to identify duplicate values in a list. Figure 2: Excel 2007 and later offer the ability to filter cells based on color. Figure 3: You can easily clear conditional formatting from a worksheet in Excel 2007 and later. If you're using Excel 2003, you don't have the ability to filter by color, but you can isolate duplicate values by way of the COUNTIF worksheet function. The Fill Handle is the little notch that most users drag down a column when copying formulas. About the author: David H. Ringstrom, CPA heads up Accounting Advisors, Inc. David also presents monthly for AccountingWEB partner CPE Link. Ringstrom, CPA, is an author and nationally recognized instructor who teaches scores of webinars each year. His Excel courses are based on over 25 years of consulting and teaching experience. Hi David, Please with your work. You save the hours of my life! Your method is working not with numbers only but with words and expressions too. I've got a list with names and descriptions of more than 10 000 PowerPoint templates and all of them must be unique. I spent a lot of time to find the easy and sharp description how to solve this problem and your article has opened my eyes. Thank you very much! I have a list of several names in column B. I want to identify each time that name was duplicated without changing the format of the original entered data. Example: I selected column B, selected conditional formatting, new rule, unique or duplicate value, format, picked a color green, clicked ok. This changed the color to all duplicates making it impossible to find when the name was first entered because it is green as well. I need to first entry to keep the original format but highlight each time it's entered afterwards. In Excel 2007 and later, select column B, choose Conditional Formatting from the Home tab, choose New Rule, and then Use a Formula to Determine which Cells to Format. This is a great question, and I'll write up the steps in detail in a forthcoming article that I'll link to this thread. The only way that comes to mind is to create a macro in Excel that would loop through the sheets and compile a list of any duplicate values. To do this I'd create a collection in my code, which only allows a value to be added once. If that line of code didn't complete cleanly, I'd log the sheet name in my list of duplicates. Hopefully this will help you in your cause, but it'll be meaningless if you're not familiar with Visual Basic for Applications in Excel. The COUNTIF function that I typically use only works within a single sheet, not through multiple sheets like SUM can. In my illustrations column A has duplicate numbers. You're correct that column B has unique values, but I'm not testing anything in column B, but rather showing how to identify duplicate check numbers, invoice numbers, etc. Thank you for your question, and just let me know if anything is still unclear after this explanation. I have 4 days member's data. It's thousand data for each day. I already know how to mark the members who always active for that 4 days. By use format duplicate value. But i have a problem how to mark the member who not active for the last day at the 4th day. Can you help me? I already try to block the cell which contain members ID who active in the 1st day until the 3rd day and order to found that not equal in the 4th day data. But the excel said that 'the reference cannot be used in a conditional formating formula. What wrong with my step? Hello Sir, I'm wanting an excel spreadsheet to be designed for properties to be inputted so that it shows if the property has a duplicate so for example if we installed double glazing on 1 milton avenue, L14 6TF and it is installed again 2 weeks later it will show up on the database that it has been installed and the install date There are cases when you need to identify values using different criteria. For example, if you have two data lists i. In this situation, you can use different comparison criteria, for example finding duplicates by looking at the left part of the email address, the first name and last name. In my case, I use COUNTIF function in a new column for each condition or criteria I want to consider and defining the range to consider. It will show a positive integer if there is any duplicate. Then, you can sum all these integers in a new column and then you can filter the data to show those that are greater than 0. Regards, Julian I faced a trouble after the below step : This collapses the list to show just the duplicate values, which you can copy and paste to another worksheet, or otherwise manage, as shown in the inset in Figure 2. Its not just the copied duplicate cells. In Excel, you have several ways to filter for unique values or remove duplicate values: 1. To remove duplicate values, use the Remove Duplicates command in the Data Tools group on the Data tab. To highlight unique or duplicate values, use the Conditional Formatting command in the Style group on the Home tab. How to select duplicates in Excel To select duplicates, including column headers, filter them, click on any filtered cell to select it, and then press Ctrl + A. Now I need to set formula in G2,in a way, If I will drag the formula G2 in cell G3, then It should give me the value by looking such as if there is 389841988 Company ID for First company in A and there is 2012 in Column B, the based on these two criteria, it should count the unique text in C2 and so on. You can download its fully functional 14-day trial version using. Selecting the filtered duplicate cells and pressing the Delete key will have the same find duplicates in excel. I've created a simple example for your reference and you can download it. Suppose i have 10k Mobile No in my data in single column, i want to extract the count of unique Mobile Number suppose 7K mobile number is unq, so output of 7k updated in column 1 and rest duplicate value is 0.