Tom's Hardware published How to Use VLOOKUP in Excel or Google Sheets
A quote from the article:
Have two sets of data with one common field? Learn how to combine data from different spreadsheets using the VLOOKUP function.How to Use VLOOKUP in Excel or Google Sheets
VLOOKUP is more than a spreadsheet function; it's how you become a workplace hero. When you have two spreadsheets with different, but related sets of data like a list of customer addresses and a separate list of customer purchases, you can combine the data into one sheet. It's not hard to learn how to create a VLOOKUP formula, but most of your coworkers probably don't have this knowledge (and you don't have to tell them).