Different size of a file when downloading it using the File.php in Qualtrics

jbosjbos GroningenCommunity Member Qubie ✭

Different size of a file when downloading it using the File.php in Qualtrics

I have uploaded an OpenSesame experiment file in my Qualtrics FileLibrary. This is actually a compressed/zipped file with an '.osexp' extension. The strange effect is happening when I want to access the file using https://rug.eu.qualtrics.com/WRQualtricsControlPanel_rel/File.php? The size of the downloaded file differs between Chrome/Edge and Firefox.

I already figured out that the file in Firefox is zipped again when downloaded. When I unpack this zipped file it becomes the same size as within Chrome and Edge. Does anyone know how to prevent this happening in Firefox?  

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