Wheres the file extension?

[jmex]

I just re-installed windows xp, and i noticed when you open the properties
options on a file the extension isnt shown like i would before, example "
reportpaper.doc", now all i see is "reportpaper", all I use to do was change
the ".doc" file to a for exmaple to a "tiff", now I cant, so what can I do?

 

[Michal Drewniak]

Go to Tools -> Folder Options -> View
Uncheck "Hide extensions for known file types".

You should be able to see/change extensions now.