Windows XP and windows 7 - syncrhonizing documents, spreadsheets

I have a group of spreadsheets and documents that I use at home and at the office and on my blackberry.  How can I ensure that I don't overwrite changes in one copy that I need in another?
brothertruffle880Asked:
Who is Participating?
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.