Have you heard of the word syncing? It is just a process of having the data updated on all platforms or devices evenly. In this regard, email syncing is no different. The email syncing is a way of making sure you have the same emails on several platforms or email clients. If you are running the Windows 10 operating system, you may come across a point where you can’t sync your emails. Well, let me guide you through some Windows 10 mail not syncing troubleshooting steps that might help the non-syncing error.