Problem with Export of non-square TIFF

Questions
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1

Hi,

The Export[] function with an Image object as designated “TIFF” file is not working correctly.

 imglila=Image[lila6xx,"Byte",ColorSpace->"GrayScale”]
    
    Export[outdir<>"lila"<>StringTake["00"<>ToString[n],-3]<>".jpg",imglila,"JPEG”]  (*<— this one is Working correctly*)
    
    Export[outdir<>"lila"<>StringTake["00"<>ToString[n],-3]<>”.tif",imglila,”TIFF”]  (*<— this one is working incorrectly*)

If the image is from an n x n matrix then the “TIFF” version also looks OK. If it is from an n x m matrix, then it is cooked.
Does anyone else have this problem?

János