Sounds like you have deleted the font that was used for these documents.
Make copies in Windows Explorer, open in Word; use CTRL+A to select all and
change the font (the font list will include only fonts you have installed)
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.