Google is your friend, Dmitry. <g> I just looked it up because I wasn't sure ... but, it's not free:

http://msdn.microsoft.com/vstudio/products/vsto/

~~Bonnie



>I think, out of the box, the Miscellaneous Files work only with types of files that can be opened and used by VS. Like, html, xml, text, etc.
>
>Is "Visual Studio Tools for Office" a commercial product or a free addition to VS?
>
>>Dmitry,
>>
>>I hadn't even used that feature yet, so I wasn't aware of it's limitations. I wonder what other kind of file you can't add? I bet it would work if you had the "Visual Studio Tools for Office" installed, but I don't so I'm just guessing.
>>
>>~~Bonnie
>>
>>>Bonnie,
>>>
>>>I just tested with non-Word document, by opening a TEXT file and it works. Apparently, you can't add Word document to the VS 2005 solution.
>>>
>>>Thank you for your help.