Before we can give specific advise, we'd need to know what kind of dropdown you're using:
• in a userform
• content control
• formfield
• ActiveX
For:
Dependent Text Content Controls, see -
https://www.msofficeforums.com/word-...html#post46903
and, for different elements from a selected item to be output to different content controls, see:
https://www.msofficeforums.com/word-...tml#post120392
Dependent Text Formfields, see -
https://www.msofficeforums.com/word/...html#post46429