I'm trying to simplify imaging and deployment by using one Office installation across our environment, then applying the appropriate licensing based on each user or device. Some desktops use Office LTSC 2024 licenses, while laptops may use either LTSC 2024 or Microsoft 365 Apps depending on department and entitlement. I tested installing Microsoft 365 Apps and applying an Office 2024 KMS key with ospp.vbs, and it appeared to activate successfully. However, I'm concerned about long-term effects, feature differences, update behavior, and troubleshooting. Could this approach cause problems when users later need Microsoft 365 Apps, or would switching between the two require removing and reinstalling Office?
4 Answers
The safer approach is to keep separate Office Deployment Tool configuration files for Microsoft 365 Apps and Office LTSC 2024. You can use separate images, or deploy a common base image and run a post-deployment process that installs the correct product after checking the user’s or device’s assignment. This keeps activation, features, and update channels aligned with the actual license.
Consider device-based licensing if the licensing model fits your environment. Devices can be placed into groups based on whether they need Microsoft 365 Apps, and deployment tools such as Intune can apply the matching configuration. This may be easier for shared desktops and users without individual subscriptions, but it still means deploying the correct Office product rather than relying on a KMS key to switch products.
Microsoft 365 Apps and Office LTSC 2024 are separate products, even though both use the Click-to-Run installer. Applying the LTSC 2024 volume license key to a Microsoft 365 Apps installation can make it appear to activate, but it effectively turns the installation into an LTSC volume edition. Microsoft 365 Apps is supposed to use subscription activation through a licensed account, not KMS. A single KMS-based image would therefore create inconsistent products and features, making support and user comparisons more difficult.
Before standardizing on this, test the full lifecycle: changing a machine from LTSC 2024 activation to Microsoft 365 Apps subscription activation, handling updates, repairing Office, and changing users. Successful initial activation does not prove that conversion will remain clean. If the Click-to-Run product configuration does not switch properly, a removal and reinstall may be required.
That makes sense. Our corporate users have Microsoft 365 Apps, while interns and some frontline workers use Office 2024 on laptops or shared desktops. I was hoping to avoid uninstalling and reinstalling Office every time someone’s entitlement is confirmed.