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 ...

Cannot undo, disappears, won't run. The 3 pitfalls of macros

Safety Officer AI Course Basics, Course 2 'Gathering scattered tables into one', Part 8]What is a macroAbout this articleThis ...