will open MS Works files quite happily - whether version 4.0, 6.0 or 7.0
Alternatively, your 'few people' could download a free Word 2003 document viewer, that will allow them to read your Works 7.0 files.
They can get that if they click here
Failing that, you can download a free Office suite that will do just about everything MS Office can do (without all the complex bells and whistles). You can save your files as Word docs, and you can open Word docs.
click here to download.