If you call DocX.Create or DocX.Load before setting the LicenseKey property, the library may initialize in "Trial Mode." Always ensure the key assignment is the very first interaction with the Xceed namespace. 2. Version Mismatch
If you’re working with Xceed Software’s products, here’s what I can responsibly offer instead:
When something goes wrong with your document generation, the absolute first thing you should check is whether the LicenseKey property has been set to a valid key. The exception thrown often provides a clear message indicating a licensing failure. You can review the official Xceed Words for .NET Licensing documentation for further guidance. xceed.words.net.licenser.licensekey
To transition the library from its restricted trial mode to full production mode, you must explicitly supply a valid commercial key to the Xceed.Words.NET.Licenser.LicenseKey property. Where to Place the License Key Code
Xceed Words .NET offers different types of license keys, including: If you call DocX
Xceed uses a "License Key" model to unlock the full functionality of their libraries. Without a valid key:
Option 2: The "Troubleshooting" Post (Best for Dev Communities) Where does the Xceed Words license key actually go? The exception thrown often provides a clear message
Store the key on your hosting server or build environment and retrieve it at runtime:
If you need help configuring this for a specific architecture, please let me know: