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Unable to save xls file from website in the "Microsoft Office Excel 97-2003 Worksheet" format. The browser is saving in unrecognized "File" Type

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The version I am using is 3.6.11

The file is stored in the server in the format "Microsoft Office Excel 97-2003 Worksheet"

But when I download it, it gets saved in the unrecognized format type "File"

The servlet code written to download the file sets the content type to "application/vnd.ms-excel"

I am able to save the file in Microsoft Office Excel 97-2003 Worksheet format using Internet Explorer Browser without any issues.

But it does not work with the Mozilla Firefox. Any plug-in needed to make it work?

The version I am using is 3.6.11 The file is stored in the server in the format "Microsoft Office Excel 97-2003 Worksheet" But when I download it, it gets saved in the unrecognized format type "File" The servlet code written to download the file sets the content type to "application/vnd.ms-excel" I am able to save the file in Microsoft Office Excel 97-2003 Worksheet format using Internet Explorer Browser without any issues. But it does not work with the Mozilla Firefox. Any plug-in needed to make it work?

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Did you try to add the .xls file extension yourself to those files?