Speeding up the excel spreadsheet population

pulkit used Ask the Experts™
I have a excel spreadsheet which is populated from the data thru OLE from mainframe. The spreadsheet contains 40 coulmns atleast 50% of which have fromula's. The number of rows returned are around 6000+. It takes almost 10 minutes to populate the spreadsheet. I need to sped it up. Using tools - option- calculation-manual is not a option as I believe that impact all the excel spreadsheet on the server.

Can any one suggest some thing? the formula's mostly uses the Excel's native funtions which includes vlookup and arithmatic/logical functions.

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Top Expert 2006
Hello Pulkit,

you could try

on open
application.screenupdating = false
Application.Calculation = xlCalculationManual

on close
application.screenupdating = true
Application.Calculation = xlCalculationAutomatic

NEVER Select anything.  Totally unnecessary.  If you have code that Selects (or Activeates) anything, you're burning up zillions of CPU cycles



As always : Worked!!! Thanks.

Is there any documents avalable on performance tuning for Excel any where?

Top Expert 2006

thanks for the grade


among other goodies there's an optimizer here



Well, initially I did not understand the importance of giving grade. I thought it was in line with complexcity. Now I do. You deserved what I gave you this time.

Thanks for the sites. They are good.

Thanks again.

Pulki Shah

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