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Slower performance with Excel

Last Modified: 2016-11-22

I have an Excel workbook that has a lot of VBA.  On first use of the workbook a macro is run that populates worksheets with data and formulae, formats worksheets, hides columns/rows.  Since many of the worksheets are pw protected, there are also unprotect and protect steps.  Use is made of screenupdating = FALSE; Calculation = xlCalculationManual and EnableEvents = False.  It takes about 2 minutes to run the macro.

Out of curiosity I used the same workbook on a lower specification PC (a Dell laptop) and I really surprised to see it only took 45 seconds to run the macro.

This is not what I was expecting, particularly given the difference in specification of the PC's.
Main PC - Windows 10 64-bit; Intel i7-6700K @ 4Ghz;  32 GB RAM;  Office 2010 32-bit;

Laptop - Windows 10 64-bit; Intel Celeron 900 @ 2Ghz;  2 GB RAM;  Office 2007 32-bit;

I would really like to know why the VBA takes over twice to run on the much higher specification PC, and if there is anything I can do to improve the performance.  Unfortunately, I cannot provide a copy of the workbook.

The only other application I have running is MS Edge.

Many thanks in anticipation
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