"A little over a week ago I posted a tweak which would allow you to View OpenOffice.org Docs in Fx. Based on some of the feedback from comments and e-mails I’ve gotten on this, a lot of people didn’t understand what this tweak did or it wasn’t working. I had got it to work when I opened an OpenOffice.org document from my local system. However, when I tried to open a document from a remote system (website) Firefox wanted to download and open the file in OpenOffice. After a little tweaking, I’ve discovered there is one more step. When you get the dialog box you need to select Open With and the choose Other… from the drop down. From here you will need to locate your firefox.exe..."