Office Installation Errors

How to Deploy Office 2019 Volume License on Mac

Camila MilosovichCamila Milosovich Oct 23, 2026 868 views

Question details

The user needs to deploy and activate a volume licensed version of Microsoft Office 2019 on macOS without using the Windows-based Deployment Tool.

How to Deploy Office 2019 Volume License on Mac
Product
Microsoft Office 2019 for Mac
Device & OS
macOS
Scenario
Deploying a volume license edition of Office 2019 in an enterprise or educational environment on Mac computers.
Observed behavior
The standard Windows Office Deployment Tool does not work on Mac; a specific Mac PKG installer and Volume License Serializer are required to complete the installation and activation.
Before you start

Ensure you have administrator privileges on the Mac device and possess an active account with the Microsoft Volume Licensing Service Center (VLSC) to access the required installation files.

Solution 1Recommended

Install Office and Run the Volume License Serializer

Download the Mac-specific PKG installer and apply your enterprise license using the Volume License Serializer tool.

Deploying Office 2019 on a Mac differs significantly from Windows. Since the Office Deployment Tool is not compatible with macOS, you must use a specialized tool called the Volume License Serializer alongside the standard Mac PKG installer.

1
Log in to the VLSC

Navigate to the Microsoft Volume Licensing Service Center (VLSC) and sign in with your enterprise credentials.

2
Download the PKG Installer

Locate the Office 2019 for Mac product in your downloads section and download the main PKG installation file to your local machine.

3
Download the Volume License Serializer

From the same download section in the VLSC, locate and download the Volume License Serializer tool, which is a separate, smaller PKG file.

4
Install Microsoft Office 2019

Double-click the main Office 2019 PKG file and follow the on-screen instructions to complete the installation of the Office applications on the Mac.

5
Run the Volume License Serializer

After installing the main suite, double-click the Volume License Serializer PKG file. Follow the prompts to run the tool, which will automatically apply the volume license to the installed Office applications.

Install Office and Run the Volume License Serializer
Activation Complete: Once the serializer runs successfully, the volume license is applied system-wide. Users will be able to launch Office applications immediately without being prompted to sign in for activation.
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Frequently Asked Questions

Can I use the Office Deployment Tool (ODT) to deploy Office 2019 on a Mac?

No, the Office Deployment Tool (ODT) is exclusively designed for Windows environments. Mac deployments strictly require the PKG installer and the Volume License Serializer.

Where can I find the Volume License Serializer?

The Volume License Serializer can be downloaded directly from the Microsoft Volume Licensing Service Center (VLSC) portal. It is located under the same section where you download your licensed Office 2019 software.

Do individual users need to sign in to activate Office 2019 on Mac?

No. When you use the Volume License Serializer, the Office 2019 suite is activated automatically at the system level. Users will not be prompted to sign in for activation when launching the apps.

What happens if I don't run the Volume License Serializer after installing the PKG file?

If the Volume License Serializer is not run, the Office installation will remain unactivated. Users will be prompted with an activation screen and will be unable to use the software fully until the serializer is applied.