•1 min read•from Microsoft Excel | Help & Support with your Formula, Macro, and VBA problems | A Reddit Community
What actually slows Excel down the most in real corporate files
Hi everyone!
I’ve heard all the usual advice - avoid volatile functions, limit array formulas, keep formatting sane. But in practice, the biggest slowdowns I see come from… questionable data models and thousands of helper columns.
Curious what you’ve found to be the real performance killers in production-level files, not toy examples.
Anything you aggressively ban on your team?
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