Excel: ‘Unable to set the Calculation property of the Application class’

calendar_today Asked Nov 9, 2008
thumb_up 6 upvotes
history Updated April 16, 2026

Question posted 2008 · +7 upvotes

I’m trying to automate some stuff in MS Excel. When I try to set the Calculation property I get the following error message: ‘Unable to set the Calculation property of the Application class’

I believe this property should be settable.

Any advice appreciated!

Accepted answer +6 upvotes

Googling produces this suggestion:

You need to have a open workbook, ie

xl.Workbooks.Add
xl.Calculation = xlCalculationManual

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