Firstly, we will discuss a few manual methods to resolve this Outlook error and share the stepwise procedure of each method to successfully fix synchronization issues. Now, let us start with the manual processes to fix Outlook syncing errors. If Microsoft Entra attribute duplicate attribute resiliency is enabled for your tenant, you won't see the InvalidSoftMatch synchronization errors seen during provisioning of new objects. This feature doesn't fix the duplication errors, so the data still nee...