I've tried exporting a chart (I have over 50) from excel as .pdf format but the fonts get changed and blurry. It looks good as a .xps file but pdflatex does not recognise this format.
Any thoughts?
Regards,
EDIT:
After a bit of reading I have worked out what is happening. The screen version of the pdf which excel exports is a raster image of the chart and looks terrible. However, the pdflatex compiled version looks actually quite good. Not sure why that is, anyone know?
SOLUTION This is the link where I found the how but not the why.

pgfplotsfor plots, and using it will definitely save you time in the long run. – Marc van Dongen Mar 6 at 22:34epsand import them into LaTeX. "Missing characters ingnuplotgeneratedepswhile compilingpdf" (generating pictures withgnuplot) was considered on-topic. The user wants to know how to generate pictures with program X and use them in LaTeX. I'd find this on topic. Labelling the question as off-topic without explanation I find intimidating (but that's the system for u). – Marc van Dongen Mar 7 at 5:03bibfile was closed as off topic, because "you can usebibfiles outside of LaTeX"! I also agree that an explanation why a question is off topic should be given, but tell that to the people who actually voted for off topic. – mafp Mar 7 at 9:02