Is it possible to 'audit' a file to see which formulas / calcs are most bogging down performance?

d0rian

Active Member
Joined
May 30, 2015
Messages
313
Office Version
  1. 365
My file's not large in absolute terms (2MB), but has a dozen worksheets, several thousand formulas, a bunch of VBA macros I run, and on top of that is pulling in real-time tick-by-tick stock market data via DDE. This results in a lot of lag, and occasional crashes. (In the lower-right of the bottom taskbar, there's nearly always the "Calculating (8 processor(s)): ##%" message, indicating constant formula updating / recalculating.)

Is there an easy way to see just WHICH of the formulas or calculations are most resource-intensive? Like some way to 'audit' my file's performance to see what's causing the most lag (and thus identify what I should try and streamline/optimize)?

My low-tech "solution" to this point has been just hardcoding an entire section of formulas, or deleting entire worksheets, and then running the VBA to see if it runs faster than before. Hoping there's some smarter way to go about this...is there anywhere in Excel it can show me, or otherwise quantify, what's most responsible for poor performance?
 
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