I can't access the Text Favourites Manager

I have lost the text favourites for some plan annotation so my annotation no longer reports the station/bearing/etc. This appears to have happened when associating the model file with a new workspace and workset that doesn't have these text favourites in a dgnlib. I would like to import the Text Favourites from the previous dgnlib however I cannot access the Text Favourites Manager through the Place Text tool, why is this?