How to compare columns in Microsoft Excel As stated, we can use the Excel VLOOKUP function to find and match different data or find differences in two columns.

If you need to reconcile batches of records in Microsoft Excel, this simple VLOOKUP() solution offers a quick and easy way to find records in one batch that are missing from another.

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.