|Depends on the data. Is it spread sheet or text or what?|
In most systems you have choices in the way the data is saved. Save it in a compatible format that both can export and import or can use directly.
html is a common format. rich text is common format and others.
One may be able to use a cross platform application like OpenOffice that has the same for each.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.