How to solve the duplicate data problem in excel

php editor Zimo teaches you how to solve the problem of duplicate data in Excel tables. Duplicate data in Excel may lead to inaccurate data analysis and affect work efficiency. By using Excel's built-in functions or filtering and deleting duplicate data, you can quickly clean up the table and ensure data accuracy. In addition, you can also use conditional formatting or formulas to identify duplicate data to facilitate search and processing. By mastering these methods, you can easily solve the problem of duplicate data in Excel and improve work efficiency.

1. Find duplicate data. For some special data in the table, we usually use [fill color] to highlight it. Similarly, repeated data needs to be marked. If there are a lot of repeated data, the workload is still quite large if it is filled with color one by one. Click [Start]-[Conditional Formatting]-[Highlight Cell Rules]-[Duplicate Values] to highlight the duplicate content annotation color.

#2. Find non-duplicate data. Now you know how to find duplicate data. Now the boss wants to mark the non-duplicate data. Then the rest of the above is not Do we still have to mark duplicate data? Fill in the colors one by one. Select column A, click the [Conditional Formatting] button in the [Home] tab, and select [Highlight Cell Rules] - [Duplicate Values]. This step is the same. The selection in the next duplicate value window is different. Select the [Unique] value, set it to select [Green Fill], and finally click [OK]. The non-duplicate data is highlighted in green.

#3. Delete duplicate data and retain unique values. If you are required to delete duplicate data and retain unique values, then you should not use the above method. First find the duplicate data and then delete it one by one, because Excel can automatically delete it! Select the data column, click [Data]-[Delete Duplicates], and click [OK] in the pop-up dialog box, so that the remaining data are unique values ​​and there are no duplicate data.

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