Hans, I’m afraid that PDF bookmarks don’t follow sectionconversionset option from \setuphead. Here is the sample: \setupinteraction[state=start] \placebookmarks[chapter,section] \definestructureconversionset[sectionnumbers][0,I,A,n,g][n] \definestructureconversionset[appendix:sectionnumbers][0,A,n,g,a][n] \setupheads[sectionconversionset=sectionnumbers] \starttext \startbodymatter \chapter{Chapter in bodymatter} \section{Section in bodymatter} \stopbodymatter \startappendices \chapter{Chapter in appendices} \section{Section in appendices} \stopappendices \stoptext Many thanks for your help, Pablo -- http://www.ousia.tk