You will be able to open your files from a computer with 07, but you won't be
able to read files saved in 07 format unless you HAVE 07. But files used in
07 can save in the 03 format for you to be able to read, but you may lose
functionality if the newer features are used.
How is a computer not capable of installing new software? (And excel 2007 is
not "downloadable", you buy it & install via a CD)

"jswiryd" wrote:

Could anyone help me? I am taking and Excel 07 class at my college, but the
computer that I use has Excel 03 (and also is not capable of downloading any
new software or trial versions). If I do spreadsheets in Exel 03, will it
convert correctly to 07 and vice versa?