How to Copy a Tab on a Spreadsheet. Workbooks in Microsoft Excel can contain one or more spreadsheets, which are shown as separate tabs. While it's possible to highlight all of the data in a ...

How to Compare Two Excel Spreadsheets for Duplicate Rows. Excel 2013 can locate duplicate rows as long as one column contains a unique identifier for each record, such as a product ID or account ...

How can we find duplicate values across multiple columns? For this task, we’ll use two Excel helper formulas: One to concatenate the columns you’re comparing; a second to count the duplicates.