TheBoiledEgg has a way to paste the contents of an excel file into his Rankings thread in the Challenger forum....maybe you can do it this way?
If you want to actually share the whole file so people can save it then I don't know how to do that.
Go Lindsay Lee-Waters!
My Girls: Ospina, Snyder, Irvin, Bradshaw, Dabek, Cargill, Frazier, Granville,
Craybas, Harkleroad, Schlukebir, Cochran, Seles, Mall, Reeves
Mouhtassine, Drake, Foretz, Camerin, Arvidsson, G Baker, Lubiani, Hantuchova,
Bartoli, Jidkova, Wheeler, Loeffler-Caro, L Reilly, Vakulenko, Pelletier, Tarabini, Molik
I Miss Zvereva, Cacic, Kelesi, Cristea, Ghirardi,
Reinach, Kandarr, Rottier, A Miller, Asa, Testud