Struggling to find missing records between two massive Excel files? Doing a manual VLOOKUP and getting errors or waiting forever for it to calculate? In this step-by-step tutorial, I’ll show you the fastest and most reliable method to find unmatched data using Microsoft Access.
We’ll use Access’s powerful Unmatched Query Wizard to compare two Excel lists (like a master list and a current list, or old data vs. new data) and instantly identify which records are missing from either table. This is perfect for reconciling data, finding duplicates, cleaning mailing lists, and much more!
🛠️ Tools Used:
Microsoft Access (2016/365/2021 – the process is the same)
Microsoft Excel
