Hi, I have same probleme but for txt files..
I added a txt file to the project Platformer1 and it cannot process:
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HighResolutionContent\Levels\3.txt : error : Cannot autodetect which importer to use for "Levels\3.txt". There are no importers which handle this file type. Specify the importer that handles this file type in your project.
Done building project "HighResolutionContent.contentproj" -- FAILED.
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Please help me for what to do.
Thanks