+1 for synching. Resilio sync is also good, but not free any more (win server needs a business license). They do have an encrypted option though (you can use a

+1 for synching. Resilio sync is also good, but not free any more (win server needs a business license). They do have an encrypted option though (you can use a server somewhere else that has your data, but very encrypted, and only the clients with that key can read...)