![]() ![]() This will highlight the column B items that have duplicates in column A. Here, we’re choosing the orange color for column B. Then, specify the formatting in the ‘Formatting style’ options and click ‘Done’. If a match (duplicate) is found, then conditional formatting will hight that item in ‘column B’ This formula will check the cell value in ‘column B’ against every cell in column A. Here, we are using column A range ($A$2:$A$30) in the first argument and ‘$B2’ in the second argument. Then, set the ‘Format cells if.’ option to ‘Custom formula is’ and enter the below formula in the formula box: =COUNTIF($A$2:$A$30, $B2)>0 Next, confirm the range (B2:B30) in the ‘Apply to range’ box. ![]() To do that, select the second column (B2:B30), go to the ‘Format’ menu, and select ‘Conditional formatting’.Īlternatively, click the ‘Add another rule’ button under the ‘Conditional format rules’ pane. Now, we have to apply conditional formatting to Column B using the same formula. That means each yellow highlighted item has duplicates in Column B. This doesn’t highlight the duplicates, but rather it highlights the items that have duplicates in Column B. Then that item will be highlighted in ‘Column A’ based on the formatting you chose. So if an item appears even once in column B, the formula returns TRUE. The COUNTIF function counts how many times each cell value in ‘Column A’ appears in ‘Column B’. Once you selected the formatting, click ‘Done’ to highlight the cells. Here, we choosing a fill color for the duplicate cells by clicking the ‘Fill colour’ icon and selecting the ‘yellow’ colour. Or, you can use any of the seven formatting tools (Bold, Italic, Underline, Strikethrough, Text colour, Fill colour) under the ‘Formatting style’ section to highlight the duplicates. You can choose one of the preset formatting styles by clicking on the ‘Default’ under the ‘Formatting style’ options, then selecting one of the presets. By default, it will use the green fill color. ![]() In the Formatting style section, you can choose the formatting style for highlighting the duplicate items. We’re adding the ‘$’ sign before the cell references to make them absolute range, so it doesn’t change we apply the formula. When you are entering the formula, make sure to replace all instances of the letter ‘B’ in the formula with the letter of the column you’ve highlighted. If you selected a range of cells in a column (say a hundred cells, A2:A30), use this formula: =COUNTIF($B$2:$B$30, $A2)>0 If you selected an entire column (B:B), enter the following COUNTIF formula into the ‘Value or formula’ box under Format rules: =countif($B:$B,$A2)>0 Now, you need to enter a custom formula in the ‘Value or formula’ box. Then, click the drop-down under ‘Format rules’ and select the ‘Custom formula is’ option. If you want to change the range, click the ‘range icon’ and choose a different range. You can confirm the cell range is what you selected under the ‘Apply to range’ option. The Conditional Formatting menu opens on the right side of the google sheets. Then, click the ‘Format’ menu from the menu bar and select ‘Conditional formatting’. You can highlight the entire column by clicking on the column letter above it. Open the spreadsheet you want to check for duplicates in Google Sheets. First, select the first column (A) to check with column B. For this to work, you have to apply conditional formatting to each column separately. You need to compare each value in a column against another column and find whether any value is repeated. You can use this conditional formatting to highlight the duplicates entries between two columns, either by filling the cells with color or changing the text color. Find Duplicate Entries Between Two Columns using Conditional FormattingĬonditional formatting is a feature in Google Sheets that allows the user to apply specific formattings such as font color, icons, and data bars to a cell or range of cells based on certain conditions. In this article, we will show you how to compare two columns in Google Sheets and find duplicates between them. In Google Sheets, you can easily find duplicates between two columns with the help of the conditional formatting feature. Sometimes, you want to compare each value in a column with another column and find if there are any duplicates in it and vise versa. Although Google Sheets doesn’t have any native support for finding duplicates in sheets, it offers several ways to compare, identify, and remove duplicate data in cells. When it comes to analyzing data on Google Sheets, being able to filter out duplicates can be essential and convenient. This is especially true when you are collaborating on the same sheet with a team. While some duplicates entries are placed intentionally while others are mistakes. While working in Google Sheets with large data sets, you probably run into a problem where you have to deal with many duplicate values. ![]()
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