Excel is the world's most popular database, and it's terrible at it.
The Version Control Nightmare
"Final_v2_UPDATED.xlsx". We've all been there. When you're managing £5m in funding, version control errors aren't just annoying—they're audit risks.
Relational Data
Mobility data is inherently relational. Students -> Applications -> Destinations -> Grants -> Payments. Excel is flat. You need a relational database to track these connections accurately.