Office Installation Errors

Can You Convert Office 2019 Click-to-Run to MSI Installer?

Olivia MillerOlivia Miller Oct 26, 2026 871 views

Question details

The user wants to know if it is possible to convert a Microsoft Office 2019 Click-to-Run (C2R) installation into a traditional MSI (Windows Installer) package.

Can Office 2019 Click-to-Run Be Converted to MSI?
Product
Microsoft Office 2019
Device & OS
not provided
Scenario
Attempting to deploy or manage an Office 2019 installation using traditional Windows Installer (MSI) tools or volume licensing methods.
Observed behavior
Office 2019 natively relies on the Click-to-Run deployment method and does not offer or support an MSI installer edition.
Before you start

Verify your current deployment architecture by opening any Office application, navigating to 'File' > 'Account', and looking for the 'Update Options' button which confirms a Click-to-Run installation.

Solution 1Recommended

Deploy Office 2019 Using the Click-to-Run Method

Since Office 2019 does not provide an MSI edition, administrators and users must rely on the Click-to-Run (C2R) deployment method using Microsoft's official tools.

Microsoft has completely shifted to the Click-to-Run deployment model for Office 2019 and newer versions. It is technically impossible to convert a C2R installation into an MSI package due to fundamental differences in their architecture and update mechanisms.

1
Download Deployment Tool

Navigate to the Microsoft Download Center and download the latest Office Deployment Tool (ODT) to your computer.

2
Extract the ODT Files

Run the downloaded executable and extract the files to a newly created dedicated folder on your local drive.

3
Edit Configuration File

Open the included configuration.xml file using Notepad to specify your Office 2019 edition, preferred language, and update channels.

4
Run Command Prompt

Open Command Prompt as an administrator, navigate to the ODT extraction folder, and execute the setup command to begin the Click-to-Run installation.

Deploy Office 2019 Using the Click-to-Run Method
Compatibility Warning: Installing older MSI versions of Office applications alongside Office 2019 C2R without careful planning may cause severe registry conflicts. Ensure both installations use the same architecture if absolutely necessary.
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Frequently Asked Questions

Why did Microsoft remove the MSI installer for Office 2019?

Microsoft transitioned exclusively to the Click-to-Run (C2R) model to ensure that users seamlessly receive the latest features, security patches, and performance updates in the background without manually managing discrete installer packages.

Can I install an older MSI version of Outlook alongside Office 2019?

While it is technically possible to install an older MSI version of an app like Outlook next to Office 2019 C2R, they cannot be run at the exact same time. Doing so often leads to stability issues, so it is recommended to upgrade all applications to C2R.

How do I check if my current Office installation is C2R or MSI?

Open any Office application, such as Word or Excel, and click on 'File' followed by 'Account'. If you see a button labeled 'Update Options', you are using a Click-to-Run installation. If this button is missing, you are likely on an MSI version.