TIff
Can't place TIF or PNG files into InDesign. The internet tells me that I can, however I've been trying for hours and it only works when I convert to JPG.
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It is possible to place TIF/PNG files in InDesign. No need to convert to JPG. We’ve tried this and it works for us.
To see why it is not working for you, could you share a sample TIF/PNG file with us (sharewithid@adobe.com)?
Adobe InDesign team