If you're planning on using Microsoft FrontPage to manage your web site, there are a couple of issues things you may want to keep in mind:
 

There are two worlds. 

The General Unix hosting world, and the Microsoft world.

While this is not necessarily a bad thing, Microsoft has indeed decided to play by its own rules.

As a result, FrontPage does not always conform to the rules of Unix, so you should be extremely careful when accessing a FrontPage web via FTP.  

It's easy to damage the FrontPage web, as well as it's associated server extensions, and if it happens, you may loose the ability to administrate it from your FrontPage Explorer.

To avoid problems like this:

• Do not alter, or delete files that are part of a FrontPage web
• Do not delete, move, or alter directories ending in _vtf. These are the FrontPage extensions