How to see what changed in your Excel spreadsheet (and who changed it)

Has something in your Excel spreadsheet changed—but you’re not sure what, when, or who did it? The old “Track Changes” button used to handle this, but modern Excel takes a different approach. Instead of a single feature, Microsoft now uses a set of cloud-based tools that let you trace edits, view past versions, and understand exactly what happened—provided you know where to look.