Exchange Server 2019 vs 2016
Exchange 2019 is the latest version of Microsoft Exchange Server. There are a host of features upgraded from the previous Exchange Server versions. Here is a table of comparison between Exchange Server 2019 vs Exchange Server 2016:
Features | Exchange 2019 | Exchange 2016 |
Calendaring features | ||
Do Not Forward Set a meeting invitation which can’t be forwarded without permission |
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Simplified Calendar Sharing Share your calendar from any Outlook version along with same permission options on all versions |
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Set Default End Date The users can set a default end date instead of leaving it without end date |
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Cancel meetings using Out of Office While setting an automatic reply, set the option to cancel meetings |
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Performance features | ||
Installation on Windows Server 2019 Core Edition supported | ![]() |
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Maximum processor count | ||
Maximum memory | ||
Optional SSD-based cache option Super-fast cache of key data for improving end user experience |
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Technical features | ||
Serial SATA Disk supported | ![]() |
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Windows Server versions supported | ||
.NET versions supported | ||
High availability DAG | ![]() |
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Load balancing | ||
Windows Management Framework version supported | ||
Messaging features | ||
Outlook Client | ||
Mailbox server roles | ![]() |
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All the modern browsers OWA supported Internet Explorer, Safari, Firefox, Chrome, Opera are supported |
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Outlook on the Web | ![]() |
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Unified Messaging | ![]() |
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Search features | ||
Search Indexes within the database | ![]() |
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Search functions with Bing technology | ![]() |
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Why Apps4Rent for Exchange 2019?
Case Studies

Apps4Rent Moves Exchange to Azure to Handle Peak Email Loads
Apparel Retailer, California
When a Connecticut based staffing firm was struggling with peak email loads on its Exchange servers, Apps4Rent migrated the Exchange server cluster to the Azure cloud, a more elastic environment capable of handling highly variable workloads.