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Office Compatibility Issues

Can Office LTSC 2024 and Publisher LTSC 2021 Be Installed Together?

Maira MehtabMaira Mehtab Sep 22, 2026 868 views

Question details

The user wants to know if Microsoft Office LTSC Professional Plus 2024 and Publisher LTSC 2021 can be installed on the same computer without conflicts.

Product
Microsoft Office LTSC 2024, Microsoft Publisher LTSC 2021
Device & OS
not provided
Scenario
Attempting to install and run two different LTSC versions of Microsoft Office products (2024 and 2021) on a single machine.
Observed behavior
Seeking clarification on potential installation conflicts, licensing errors, or component incompatibilities between different Microsoft Office LTSC versions.
Before you start

Before attempting to install or modify multiple versions of Microsoft Office, verify your current system requirements and consult your IT administrator regarding enterprise deployment rules.

Solution 1Recommended

Avoid Mixing Different Office LTSC Versions

Installing Office LTSC Professional Plus 2024 alongside Publisher LTSC 2021 is highly discouraged due to shared component conflicts. It is better to rely on a single, unified Office release.

Microsoft generally does not support installing different versions of its enterprise LTSC suites on the same device. Mixing versions can lead to registry conflicts, licensing activation failures, and shared application components overwriting one another.

1
Evaluate Your Version Requirements

Determine whether you strictly require the 2024 version of Office LTSC, or if an older, complete suite would suffice for your workflow.

2
Use Office LTSC 2021 Suite

Uninstall the mixed versions and install the unified Office LTSC 2021 package, which natively includes Microsoft Publisher alongside Word, Excel, and PowerPoint without any version conflicts.

3
Retain Office 2019

If you are upgrading from an older setup, consider retaining Office 2019, which is stable and also includes Publisher built-in.

4
Verify with Microsoft Support

If a mixed deployment is absolutely necessary for your enterprise, consult Microsoft Office Management support documentation to check for any updated, specific Click-to-Run compatibility matrices.

Publisher Retirement: Microsoft has announced the retirement of Publisher. Newer enterprise suites, including LTSC 2024, may no longer support or include it, prompting users to look for alternative desktop publishing software.
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Dealing with Microsoft Office version conflicts and managing separate installations for different apps can be frustrating. WPS Office offers a lightweight, all-in-one suite that handles your document needs seamlessly without the installation headaches.

  1. 1. Download the Installer: Visit the official WPS Office website to download the latest free version.
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Frequently Asked Questions

Why is it not recommended to install Office LTSC 2024 and Publisher 2021 together?

Mixing different major release years of Microsoft Office LTSC products can cause Click-to-Run installation conflicts, shared registry errors, and issues with the Office licensing service on the same operating system.

Does Office LTSC 2024 include Microsoft Publisher?

No, Microsoft is actively retiring Publisher. Newer versions of Office, including LTSC 2024, do not include Publisher, which is why users often attempt to install older standalone versions.

What is the best alternative if I need Publisher alongside my other Office apps?

The most stable solution is to install the complete Office LTSC 2021 or Office 2019 suite, as both of these natively include Microsoft Publisher and ensure 100% component compatibility.