If you using Responsive HTML help, first check that the Glossary option is set to show in the parent, as below:
Thank you gc31,
I think it is the fault of my explaination. The glossary is set "true", the Icon is there, I can klick on it and the glossary shows empty.
There is no text in it. Any other suggestions?
There is a similar post logged here, presuming your are using RoboHelp 2015 and generating Responsive HTML help:
Unfortunately there is no solution. Maybe someone else can help?
I am using Robohelp 2017 and the Glossary works.
thanks again, meanwhile I found out, that the glossary only shows in IE. It doesn't work in Google Chrome, Firefox and Edge.
I appreciate your efforts to help me!