What you need to know about Exchange 2019 and Office 365
Exchange 2019 will reach the end of mainstream support on Jan 9, 2024 and has an extended support date till October 14, 2025. After the mainstream support, Microsoft will no longer offer new features or design updates. However, you can still receive critical bug fixes and updates till the extended support date. Learn more about the fixed lifecycle policy for Microsoft’s products.
If you are planning to migrate from Exchange 2019 to Exchange online due to organizational requirements or move away from on-premises environments, consider the following points.