Open your site locally through FrontPage Explorer, by using
the "File" pulldown menu, and selecting "Open FrontPage Web".
In the "Getting Started" dialog box, select "Open an Existing
FrontPage Web" and choose the FrontPage web you want to open.
Click "More Webs" if the web you want to open is not listed.
(see picture below)
When the web loads into FrontPage Explorer, select "Publish
FrontPage Web" from the "File" pulldown menu.
Enter the Destination Web Server "www.yourdomain.com".
Enter the username and password for your hosting account.