MIcrosoft One Drive (formerly SkyDrive) is an online file synchronisation service. It is easy to use and has been reported as working well with Family HistorianFamily Historian (FH) is a comprehensive genealogy software product published by Calico Pie Limited. by several users.

See Synchronising Family Historian between 2 PCs for more detail of how it can be used.

Link: Microsoft OneDrive (SkyDrive)