VLOOKUP Doesn

If you've ever tried to match two spreadsheets together, you know this pain. You've got a list of 5,000 company names in one file and 8,000 in another. You need to find the overlaps. So you write a VLOOKUP formula, hit enter, and watch as it returns #N/A for about 60% of your data. Not because the matches dont exist. But because "Acme Corp" in file A is "Acme Corporation Inc." in file B. And "Johnson & Johnson" in one file is "Johnson and Johnson" in the other. And "IBM" is "International Business Machines" somewhere else. VLOOKUP needs an exact match. Real-world data is never exact. I spent an entire Thursday last year manually fixing company name mismatches between our CRM export and our billing system. 2,400 records. By hand. Because VLOOKUP couldnt handle the fact that humans are inconsistent when they type company names. Why exact matching fails on real data The core problem is simple: the same entity gets recorded differently in different systems. This happens for a bunch of reas