Table of Contents

Why Check Exchange Server Version?
Find Exchange Server Version: Methods & Steps
#1. Microsoft’s Build Numbers & Release Dates Page
#2. Run Exchange HealthChecker Script
#3. Inspect the ExSetup.exe File Version
#4. Use Exchange Management Shell (EMS) for Quick CU Check
#5. Exchange Admin Center (EAC)
#6. Using Outlook
Quick Reference: Find Exchange Server Version
Author’s Verdict & FAQs

Find Exchange Server Version Via Top 6 Solutions

Published By Mohit Kumar Jha

Approved By Admin

Published On August 23rd, 2025

Reading Time 8 Minutes Reading

As an Exchange admin, I know how frustrating it can be when you’re asked, “Which version of Exchange are we running?” especially during audits or fixing errors. Without knowing the exact Exchange Server version and build number, it’s impossible to apply the right fixes. That’s why I’m here to guide you on how to find Exchange server version step by step.

Not only the version, but the Build Number, End of Support from Microsoft, and when to upgrade Exchange 2013 to 2016, 2019, or SE, I’ll explain clearly.

So, let’s start our discussion by understanding the reasons behind this.

Why Check Exchange Server Version?

If you join a new company as an Exchange admin, knowing the details about that environment becomes necessary due to:

Many organisations need to prove they’re using supported software, knowing the version helps in this.
If you’re planning to migrate Exchange 2019 to Office 365 or a newer Exchange, the current version tells you what upgrade path is available.
To provide accurate fixes, Microsoft support and online documentation require the exact build number.
Older versions like Exchange Server 2010 and 2013 will be about to end of support, meaning no new patches. Running them increases security risks.
Many third-party software for monitoring or backup depend on Exchange version support. Running an unsupported version causes failures and performance issues.

Next, we’ll cover the techniques to check Exchange Server version in seconds.

Find Exchange Server Version: Methods & Steps

As I’ve been using Exchange for more than 10+ years, I know the tricks to identify the version. Here I will share all of them with step-by-step instructions, i.e.

#1. Microsoft’s Build Numbers & Release Dates Page

This is the official Microsoft reference table for CU, SU, and Subscription Edition builds. To find out your version:

Open Microsoft’s Exchange Server Build Numbers and Release Dates page.
Look up your build number and match it with the CU/SU release.
Example: Build 15.2.1748.36 = Exchange Server 2019 CU15 Aug 2025 SU.

Notable SE builds as mentioned in the official Microsoft document:

SE RTM – July 1, 2025 – Build 15.2.2562.17
SE Aug 25 SU – August 12, 2025 – Build 15.2.2562.20

Noteworthy 2019 builds:

CU15 Apr 25 HU – April 18, 2025 – 15.2.1748.24
CU15 Aug 25 SU – August 12, 2025 – 15.2.1748.36

#2. Run Exchange HealthChecker Script

If you’re an Exchange admin, then you might run EMS (Exchange Management Shell) for error fixing or automating tasks. If yes, then using the Exchange HealthChecker Script will help to find Exchange Server version. It shows CU, SU/HU, OS details, and support status. For the same:

Download from Microsoft’s CSS-Exchange GitHub repo.
Open Exchange Management Shell as Administrator, and run:

.\HealthChecker.ps1

Now, review the report, which displays current CU, SU/HU, build version, etc. This is the easiest trick to check Exchange Server version if you’re familiar with PowerShell.

#3. Inspect the ExSetup.exe File Version

For PowerShell (EMS) users, there is one more solution if HealthChecker isn’t available, i.e. ExSetup.exe:

Open Exchange Management Shell, and run:

Get-Command ExSetup.exe | ForEach-Object { $_.FileVersionInfo }

When prompted, note the file version, and match it with Microsoft’s build number table, as mentioned in method 1.

#4. Use Exchange Management Shell (EMS) for Quick CU Check

EMS is the fastest way to find Exchange Server version, check CU, though it doesn’t show SU/HU.

Open EMS, and run:

Get-ExchangeServer | Format-List Name,Edition,AdminDisplayVersion

Now, copy the AdminDisplayVersion value to Notepad, and compare it with Microsoft’s build table.

So, PowerShell is the best way to check Exchange Server version in seconds, as I provided you with many scripts in the above sections. But, for those who are not familiar with EMS, can opt for Exchange Admin Center.

#5. Exchange Admin Center (EAC)

Exchange Admin Center is an easy and quick way to find Exchange Server version. To use this, you don’t have to be technical, as it comes with an easy-to-use UI, which can be understood by any skill level of user. So, let’s follow:

Sign in to Exchange Admin Center (EAC).
Click on Servers > Servers list.
Check the Version column.
Match the build number with Microsoft’s table for exact CU/SU.

See, this is quite simple for non-technical users to check Exchange Server version via this.

#6. Using Outlook

Outlook can be helpful for end-users or troubleshooting support tickets. For the same, you have to:

Right-click the Outlook icon in the system tray.
Select Connection Status.
Check the Version column; it shows the connected Exchange server version.
Cross-check the build number with Microsoft’s table.

With these six techniques, one can easily check Exchange Server version without any IT or external help.

Quick Reference: Find Exchange Server Version

Exchange Server Subscription Edition (SE) – Version 15.2 (Ongoing, subscription-based, supported beyond 2025)
Exchange Server 2019 – Version 15.2 (Build xxxx) – Mainstream support until Oct 14, 2025 – ESU available until Apr 14, 2026
Exchange Server 2016 – Version 15.1 (Build xxxx) – EoS: Oct 14, 2025 (with ESU until Apr 14, 2026)
Exchange Server 2013 – Version 15.0 (Build xxxx) – EoS: Apr 11, 2023
Exchange Server 2010 – Version 14.x (Build xxxx) – EoS: Oct 13, 2020
Exchange Server 2007 – Version 8.x (Build xxxx) – EoS: Apr 11, 2017

Note: “EoS” means End of Support. After EoS, Microsoft no longer provides security patches.

New in 2025: Exchange Server Subscription Edition (SE)

Find Exchange Server version (SE) details:

Released: July 1, 2025 (GA, RTM).
Technical Basis: SE uses the same binaries as Exchange 2019 CU15 with the May 2025 HU, differing only by EULA and version number.
Licensing & Servicing: Follows Modern Lifecycle Policy. Downloads now via Microsoft 365 Admin Center.
Planned Transition: CU1 will require dropping support for older features and introducing server-to-server Kerberos, Admin API, etc.
End of Support: Exchange Server 2016 and 2019 end of life is October 14, 2025. A one-time six-month Extended Security Update (ESU) is available until April 14, 2026.

When to Upgrade from Old Exchange Version to New?

If you find Exchange Server version is old, you should plan an Exchange migration if:

Your current version has reached End of Support. Then, it is recommended to migrate Exchange 2010 to 2019 or SE to avoid performance issues.
Security & compliance risks exist because older builds no longer get patches.
Performance limitations prevent your servers from handling modern mailbox sizes.
You need newer features, such as better hybrid support or modern authentication.
A hardware refresh requires moving to a new environment.
You are preparing for a hybrid or cloud-first strategy with Microsoft 365.

When these scenarios arise, migration becomes necessary. But manual methods can be risky, time-consuming, and complex. Don’t worry! As I have 10+ years of experience in handling Exchange Server, in this journey, I found SysTools Exchange to Exchange Migrator is the most reliable one for this upgrade.

Download Now Purchase Now

You can try other automated solutions, but I guarantee you’ll like this solution among all of them because:

It migrates Exchange mailboxes, shared mailboxes, archives, and public folders to another Exchange server simultaneously.
Support for all versions, i.e., 2010, 2013, 2016, and 2019.
Delta migration to move only new or modified items.
Metadata, folder hierarchy, and permissions are preserved throughout the transition.

So, don’t waste your time on complex and time-consuming methods, just try it for free now!

My Recommendation

Always use HealthChecker for accurate CU + SU detection and environmental health.
Plan migrations now, as SE is the future, and 2016/2019 will lose support in October 2025.
SE is drop-in compatible with Exchange 2019 CU15, but ensure feature deprecations are acceptable.

Author’s Verdict

Today, I explained how to find Exchange Server version via six tested methods step by step. Additionally, I suggest that if you check Exchange Server version is about to end of its life, then upgrade or migrate it as soon as possible to avoid security issues in the future.