can we add a .txt file in the body of the html type field ? and why does the remove link option

[kiran kumar m1]

can we add a .txt file in the body of the html type field ? and why does the remove link option is not selectable ,even after I attach a link

link.

[Bert_c1]

You can copy-and-paste text from your text file. And My guess why the 'un-link' is greyed out is there is nothing present. Others here may comment.