My folder not showing ( Thunderbird Application) Troubleshooting Step: 1: I repaired inbox 2: Remove profile in thunderbird 3: Try different version of thunderbird application (56,68, 72) 4: Uninstall thunderbird application and then Install the thunderbird application 5: configure profile new system But still user facing same issue after that open OWA web application removed the policy the again reconfigured the user profile in thunderbird application Issue not resolve yet Please help my issue