The tools below are available online, and can be used for troubleshooting Exchange environments, Office 365 access and services, or other mail or UC related products.
| Exchange Deployment Assistant | Provides technical deployment guidance after answering few questions about your desired target and current environment. | Microsoft |
| Hybrid Configuration Wizard | Online tool to configure Hybrid Exchange deployments. | Microsoft |
| Remote Connectivity Analyzer | Online tool to validate your Exchange, Skype for Business or Office 365 configuration. | Microsoft |
| Network Connectivity Tool | Online tool to provide insights in connectivity between your device and the internet and Microsoft’s network. | Microsoft |
| MXtoolbox | Multi-purpose validation tool for everything mail-related. | MxToolbox |
| M365Maps | Microsoft 365 Licensing diagrams | Aaron Dinnage |
| DMarcian | Online validation and tooling to deploy or support SPF/DKIM/DMARC | Dmarcian |
| Graph Explorer | Online tool to explore the Graph API | Microsoft |
| CheckTLS | Online tools to test e-mail and e-mail security, more specific TLS encryption. | SecurEmail |
| Skype Optimizer | Online tool to quickly generate dial plans for over 230 countries. | Ken Lasko |
| SSL Checker | Test your site SSL & cipher configuration. | SSLLabs |
EighTwOne (821) 