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Pivot data refresh from binary source file slow

Hello I have been reffered to this forum by the Microsoft Community.

The system I use is

OS Windows 7 64bit and Microsoft Excel 32bit on Windows Server 2003 32 bit.

Below my question regarding the optimization of an excel file.

The old file

Shared xlsx file of 30Mb

3.6million cells

+/- 5Mb of repetitive formulas

+/- 10Mb of conditional format

Slow start save and closing

New file

Shared xlsb file of 9Mb

3.6million cells

replaces formulas with names containing the formula

removed some excess formatting

50-60% faster start and save

closing time same

In the old situation we have other excel files with pivots that extract data from this file.

When I have optimized the file and adjusted the link in the pivots to the binary file, I experienced that the time waiting for the data to be extracted from the binary source file is very very long 10-15min.

Nothing I have read on the net tells that this is an disadvantage of binary files.

So therefore I post this to ask if I do something wrong, should I change something for it to work with binary files?

I really would like to have a solution because the speed advantage working in the source file is very big.

Thanks in advance!


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