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In the duplicate world, definition means everything. That’s because a duplicate is subjective to the context of its related data. Duplicates can occur within a single column, across multiple columns ...

How to use Find All to manipulate specific matching values in Excel Your email has been sent Image: iStock/panimoni Must-read Windows coverage CrowdStrike Outage Disrupts Microsoft Systems Worldwide ...

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

Click on the heading of the column you want to evaluate for duplicates. Click and drag from one heading to the next to select more than one column. Hold down the "Ctrl" key and click to select columns ...

One major reason Microsoft Excel spreadsheets are so popular is the ability to process the data entered on a sheet easily. For instance, if you are planning a wedding and individually listing expenses ...

Excel spreadsheets are a daunting affair for many. And indeed, when you are confronting dozens of rows and columns comprising hundreds if not thousands of cells filled with all sorts of data, it's ...

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...

Rather than scrolling through long tables of data in a worksheet, let this wizard find the value you're looking for automatically. Dennis O'Reilly began writing about workplace technology as an editor ...

The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...