If the files were in vault it would have helped to move them easily.
Anyways since you say its off 1 project file, then simply move the whole folder of the files to new location and modify the project file to replace the old folder location with the new folder location.
Inventor Professional 2013
Vault Collaboration 2013
Would now be the time to reccomend adding Vault, even the base free version? It will cost a little to have vault configured but the auto uploader can then be used.
Inventor Premium 2013 SP1.1
Vault 2013- plain vanilla version
HP G71 notebook
celeron cpu w\ 4gb RAM and 64 bit system
Win 7 home premium
Ya, my boss has me running my personal machine at work.