Does the simultaneous usage of multiple Excel application objects improve performance?

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I'm using Excel automation in Visual Studio 2010, C#, with Excel 2007. I have to generate a lot of large sheets (Total size of daily .xlsx files around 60Mb)
I'm looking for ways to improve performance (using SpreadsheetGear is not an option, I have to use Excel 2007). The number of interface calls are already as low as possible.
Is it possible that the use of multiple Excel application objects in different threads will improve performance? Processor load is quite low, have enough memory also.

thanks & best regards
Miklos

Posted 29-May-12 1:30am

Miklos Hejjas

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John Orendt 29-May-12 13:37pm

Why do you have to use excel? With that much data, I'd recommend a database to hold the data and a gridview to display.

Miklos Hejjas 29-May-12 18:44pm

It's a business requirement. The existing workflows and other reports work from these files.

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