Skype >> Win + C >> Settings >> Options >> Clear History.
Hey there just wish to thank the individual who uploaded the link that was placed on YouTube to delete conversation..... After several days I have now managed how to do it. Lets just hope it works.
hey, i ll tell u how to do it step by step
open your skype app
then press win and c togthr on your key board
your windows sidebar will open then go to settings
there u ll c option on the top
then skype option window will open thre u can go to clear hstry n u r done
when your windows sidebar opens go to settings (which u use for shutting down your pc in windows u will c option on the top ( where u hve the option for control panel, pc info etc)