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.

You can use the VLOOKUP function in Microsoft Excel to efficiently find corresponding data for a specific value.

Replace "F10:G20" with the address of the array that VLOOKUP must search. Replace "2" with the column reference number of the data that VLOOKUP must find.

I am running into the dreaded "Excel cannot complete this task with available resources" dialog box in Excel while trying to fill a column with a simple VLOOKUP equation. I have one column with ...