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 ...
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Microsoft cells out, crams multiple values into Excel boxes

Microsoft has ended 40 years of single-occupancy for Excel cells and is now allowing multiple values to inhabit the same home. "One of the oldest rules of spreadsheets: one cell, one value," said Jake ...