Microsoft has reminded IT administrators that both Exchange Server 2016 and 2019 have reached their end of support. This means that these versions will no longer receive security updates or technical support from Microsoft. As a result, organizations using these versions are at increased risk for vulnerabilities, as any new security threats will not be addressed.
To mitigate risks associated with using unsupported software, Microsoft recommends that administrators upgrade to Exchange Server SE or consider migrating to Exchange Online. The transition to Exchange Online not only ensures that IT environments stay updated with the latest features and security patches but also provides scalability and flexibility for organizations to manage their email systems effectively.
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