What to do with VBA when the person in charge has left and no one knows how it works?

When organizing internal systems and folders, there are files you almost always encounter.They are "Excel macros (VBA) where ...

Summary of Ways to Reduce Excel Work with AI: Purpose-Specific Usage from Table Creation ...

"I spend my time on Excel work every day.""I hear AI can make things easier, but I don't know where to start."Excel work is a ...