.tif file saved from vista fax cann't be opened properly with Paint

> hi, my problem is
>
> In my daily jobs, i have frequently saved faxes in .tif file and then
> later opened it with MS Paint. This is very easy for me before with Winfax
> Pro and Windows XP. But now, i turn to Vista, using Vista Fax. and i got a
> big problem
>
> Whenever i have tried to save faxes from Vista built-in fax in .tif and
> opened it with MS Paint, the file format was distorted. it doesn't retain
> the orignal format as it is opened with MS Picture Manager.
>
> You can try and see (Sorry for my bad English as i can't explain more
> details)
>
> How can i fix it