You can use the ASSOC tools and make a script to define this. I use to have a script for this for image files, and update it when i change apps, this way is a walk in the park to reset file assosiations when some dumb application tries to hijack them, as so many application tend to do. The batch script can be like this: (OIS=Office 2003 Picture Manager) assoc .jpg=OISjpegfile assoc .jpeg=OISjpegfile assoc .jpe=OISjpegfile assoc .bmp=OISbmpfile assoc .gfa=Paint.Picture assoc .gif=OISgiffile assoc .jfif=OISjpegfile assoc .tif=OIStiffile assoc .tiff=OIStiffile assoc .dib=OISbmpfile assoc .emf=OISemffile assoc .jpe=OISjpegfile assoc .png=OISpngfile assoc .wmf=OISwmffile Mvh Svein Arild _____ Fra: Brian Hall [mailto:bhall@xxxxxxxx] Sendt: 18. oktober 2004 16:24 Til: thin@xxxxxxxxxxxxx Emne: [THIN] W2KTS file association issue I'm running a single W2K TS server w/Citrix 1.8 FR2 and have a problem changing file associations. A systems admin at my company recently installed an application on the server that associated itself to gif, tif, tiff and jpg file extensions. I can successfully enable the "File Types" option in Explorer, as administrator, and change the extensions use Microsoft Image Preview application. Unfortunately, the change only applies to file associations in the profile the change was made in (including local admin and domain admin). I thought that modifying the HKLM setting and changing the file association as per MS article 257592 would work globally? Do I need to use FTYPE and ASSOC to manually change the file types? I realize this topic is covered extensively in the archives but have yet to find anything to remedy the situation. Thanks,