A family of Microsoft word processing software products for creating web, email, and print documents.
You should be able to use the Word Find & Replace function to change the find without affecting the rest of the document.
It would be best to make a copy of the Word file first.
Open the document in Word.
Press Ctrl + H to open Find and Replace.
Click More - Format - Font
Select the DBCS font you want to remove and click OK.
Then click in the 'Replace With' box.
Click More - Format - Font
Select Times New Roman and click OK.
Then, click 'Replace All'.