Let me preface this POST by saying I am new to Pale Moon , Fossamail, but have used Thunderbird,Firefox without major problems,crashes....


that being said...I would like to know how I may install thunderbird (or firefox?) extensions in Fossamail (or Pale Moon browser??)??
There seems to be no way of installing said thunderbird extensions from the extension website...so is there a way of "manually" installing the "xpi" extension files downloaded from FF,Thunderbird extension website??



I appreciate any,all replies!