Nevada, if you prefer, for whatever reason, to not install OpenOffice, there's the light and freeware Excel Viewer from Micro$oft itself.
About the CTDs I just want to tell my experience, maybe will help someone who's lost.. as GrnEyedDvl said is very hard to spot the specific problem which is causing it, and the log usually won't tell anything specific about the tgas.. he already said almost a million times but is very important to remember to delete map.rwm on every change you make and don't under-estimate the importance of checking the number of colors on your tgas! I had several CTDs until I got it working for the first time. I use Photoshop so I will share a tip that could be helpful: