This is not a watermark problem, but the document protection function of word (the format is limited to).

1. After opening the file, save it in rtf format, and then open it with Notepad Wordpad to extract information (but a large number of formats will not be displayed or lost).

2. After saving in rtf format, find the following information and delete it.

\ lsdlockeddef 1 { \ lsdlockedexcept Normal； Default paragraph font; HTML at the top of the form

HTML normal table at the bottom of the form; No list; }

\annotprot

Then open the file in rtf format with word, and the format is completely preserved.