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Open Workbook takes to long to open (42x more than older version)


My company and I continue to test Aspose to use in our project. Right now we have a issue regarding the opening of an Workbook using Aspose.

The file as 8MB and has (+/-) 200 sheets.

In the previous version ( the file took 49seconds to open (in debug mode).
In this version ( the file take 7 minutes and 32 seconds to process.

In debug mode :
version (net2.0): 49 seconds
version (net2.0): 7 minutes and 32 seconds

Run at command line:
version (net2.0): 9 seconds
version (net2.0): 6 minutes and 18 seconds

This is a big issue for us. I can't understand why this time differences. Can you check it please?

In attach you can find a project with both Dlls. By default we are using the dll (included in the project) Please run and check the time spent.
After that, swap the aspose.cells reference to dll and look at time differences.

Thanks in advance,



Thanks for your posting and considering Aspose.Cells.

We have logged your issue in our database. We will look into it and update you with our findings.

This issue has been logged as CELLSNET-40409.


Please download and try this fix: Aspose.Cells for .NET v7.1.1.5


Thank You! The same time as the old Dll.
Best regards,

Ricardo Bessa

The issues you have found earlier (filed as CELLSNET-40409) have been fixed in this update.

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