How To - Fix Microsoft Office Ltsc Professional Plus 2021 Preview Has Expired |top|

The official Microsoft Office LTSC 2021 installation wizard will launch and install the final build. Method 3: Activating the Software Post-Installation

Understanding the root cause helps prevent the activation loop from returning. The core reasons you see this error include:

Download and run the Microsoft Office License Removal Tool (This tool is primarily for Mac, but similar, manual steps apply to Windows, including removing keys via ospp.vbs /unpkey ). Follow the prompts to remove the old license. Sign in with your new license credentials. 3. How to Prevent Future Expirations The official Microsoft Office LTSC 2021 installation wizard

Since the Preview is no longer viable, you have three primary paths to regain access to Office: Option A: Official LTSC 2021 (Commercial)

Option C: Purchase Office Home & Business 2021 / 2024 (One-Time Purchase) Follow the prompts to remove the old license

April 24, 2026 | Category: Troubleshooting | Reading Time: 4 minutes

Are you setting this up for a or an organization/business network ? How to Prevent Future Expirations Since the Preview

to ensure all registry keys and temporary files are deleted. Step 2: Install a Supported Version