Getting that right can be a bit tricky. You have to build a hierarchy of styles in InDesign; character styles - into- paragraph styles - into - cell styles - into table style. Then, place your Excel content...
With so many students on these boards, if you haven't discovered Academic Superstore or JourneyEd online, you should check them out. You can save a LOT of money buying what you need for graphic design through them.
Academic Superstore seems to have a greater selection.
"I love deadlines. I love the 'whooshing' sound they make when they go by." - Doug Adams LinkedIn