Synching your personal files and data between your PC and laptop (and maybe smartphone) is possible. Most of the time you want your devices synched with the most current data. So if you update a contact's info on your phone you get the new data synched with your PC and laptop.
But there can be some limitations, mostly based on exactly what data or files you want synched up.
See if this article helps you get started finding the info you're looking for:How to Keep Your Data in Sync Across Platforms and Devices