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Fix OneNote Installation Conflicts with Office 2021 LTSC
Question details
The user is attempting to install OneNote but encounters a system prompt to remove their existing Office 2021 LTSC installation.
- Product
- Microsoft Office 2021 LTSC / OneNote
- Device & OS
- Windows
- Scenario
- Installing the Microsoft Store version of OneNote on a machine that already has an enterprise deployment of Office 2021 LTSC.
- Observed behavior
- The Microsoft Store installation process attempts to uninstall the existing Click-to-Run Office 2021 LTSC setup, and performing an online repair fails to add OneNote.
Locate and create a backup of your Office Deployment Tool (ODT) configuration XML file before making any uninstallation decisions.
Verify ODT Configuration and Seek Expert Support
Prevent the accidental uninstallation of your enterprise Office suite by verifying your deployment configuration and consulting Microsoft Q&A.
Office 2021 LTSC typically uses the Click-to-Run installation method. This deployment can conflict with Universal Windows Platform (UWP) apps downloaded from the Microsoft Store. Installing the Store version of OneNote triggers a removal prompt because the system detects overlapping, incompatible software paths.
Instead of accepting the prompt to uninstall Office 2021 LTSC, you must verify your initial deployment parameters and seek specialized administrative guidance.
Decline the prompt in the Microsoft Store to prevent the uninstallation of your Click-to-Run Office 2021 LTSC suite.
Open your Office Deployment Tool XML configuration file in a text editor and check if the tag <ExcludeApp ID='OneNote' /> is present, which explains why it was missing initially.
Navigate to the Microsoft Q&A OneNote community forum and create a new post detailing your issue.
Include your ODT configuration XML file, your exact installation method, and the specific error message received in your forum post for version-specific guidance.
Install OneNote for Windows 10 Alternative
Use the older Windows 10 app version of OneNote, which typically avoids conflicts with Click-to-Run enterprise suites.
Switch to WPS Office for a Hassle-Free Experience
Avoid complex Office Deployment Tool configurations and conflicting Click-to-Run setups. WPS Office offers a powerful, lightweight, and unified suite that installs in seconds without enterprise deployment conflicts.
- 1. Visit the WPS website: Go to the official WPS Office website.
- 2. Download the installer: Click the 'Free Download' button to get the lightweight installation package.
- 3. Install in seconds: Run the installer. It sets up the entire suite without conflicting with existing software.
Frequently Asked Questions
Why does installing OneNote ask me to uninstall Office 2021 LTSC?
This happens because Office 2021 LTSC utilizes Click-to-Run technology, which can conflict with the installation packages distributed via the Microsoft Store. The system detects overlapping components and prompts an uninstallation to prevent corruption.
Will an online repair of Office 2021 add missing apps like OneNote?
Generally, an online repair only reinstalls the applications currently defined in your deployment configuration. If OneNote wasn't included or was explicitly excluded in your original XML configuration, the repair tool will not add it.
Can I use OneNote for Windows 10 alongside Office 2021 LTSC?
Yes, OneNote for Windows 10 is an independent Universal Windows Platform (UWP) application. It usually does not interfere with the Click-to-Run installation architecture of Office 2021 LTSC.
How do I check if OneNote was excluded in my Office Deployment Tool setup?
Open your ODT configuration XML file in a standard text editor. Look for the <ExcludeApp ID='OneNote' /> tag. If this tag is present, it means the deployment tool was instructed to intentionally skip installing OneNote.
