QuickBooks Sync Manager is a composite tool that can sync the QuickBooks data with the online server and different third-party applications. This tool has been affected by an error message that comes in the following form "Intuit Sync Manager Not Working to Sync any Files". Due to this error, the sync process is halted and QuickBooks Sync Manager immediately crashes. Follow the full guidelines provided in this blog to fix QuickBooks Sync Manager not working error. Keep reading ahead!