when you upgraded to W7 - did you also install a new version of office ?
what version of Word did you have on XP (2003 has also ended support , like XP on Tuesday 8th April)
I would download a free office program like openoffice it can open word files
https://www.openoffice.org/
or
Libra office
https://www.libreoffice.org/
what version of Word did you have on XP (2003 has also ended support , like XP on Tuesday 8th April)
I would download a free office program like openoffice it can open word files
https://www.openoffice.org/
or
Libra office
https://www.libreoffice.org/