Slam38,
It sounds like this has been done all locally, correct?
If so, then Susan’s recommendations are 100% spot on.
If you are a user that already has a site that has been optimized for search engines and been indexed, you may be more sensitive to a transition of being forced to rename your files. You can actually have MODx rename your files to be PHP files.
From the admin interface, click Tools > Configuration. Click Friendly URLs then "Yes" to see more options. From here, you can set a prefix and suffix for each page. The default for friendly URLs is .html, but you can certainly use anything you want at this point.
This probably doesn’t fix the problem for you, but just in case someone ever comes across this in search...that’s your answer
- John