Hi Uwe InDesign CS45.5 on Mac OS 10.11.6 Locale language ... not sure what you mean but answer is probably English Document is not locked Saving with a new name does not help I can export to IDML but it still will not allow me to change Document Setup I have other similar InD files where I can change the Document setup. I have also created a new empty file and can change the setup. Thanks for your engagement P
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