When Outlook emails are not syncing in Windows 10, then you need to repair the account. Putting all the technical details aside, this error is easy to fix, just follow the mentioned steps. So you can refer to this folder to know in detail about the error. This folder saves all the Outlook synchronization logs such as if any of the folders failed to sync with the server. In such situations, you can refer to the Sync issues folder on Outlook. Obviously, you will see an error message saying Problem connecting to Server.All your offline changes made, will not be synced to your Online server.Outlook will stop synchronizing automatically.Outlook will not send or receive emails.If your Outlook (Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010) have issues while syncing, you will experience the following consequences. Additionally, it’s quite often easy to fix. Your Outlook will fail to sync folders or email accounts due to various reasons. To be clear, this error is not just bound to the aforementioned scenario. This is happening with only one account other accounts are syncing emails. An error message states – Problem connecting to Server. The outlook is not syncing emails after a recent update in Windows 10.