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When Opening an Excel File Created by ADF component af:exportCollectionActionListener Following Warning is Occurring: "The File Format Differs From The Format That The File Name Extension Specifies" (Doc ID 1944927.1)

Last updated on SEPTEMBER 01, 2016

Applies to:

Oracle JDeveloper - Version and later
Information in this document applies to any platform.
MS Excel 2007 and later versions


When using an af:exportCollectionActionListener component to export af:table data to Excel following warning can be raised:

"The file you are trying to open, '<filename.xls>', is in different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?"

How to disable the above warning?


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