Xceed licenses are often version-specific. If you have a license for version 2.0 but are using NuGet to pull version 3.5, your key will be rejected. Check your for the supported version range. Verify the Assembly Version in your project references. 3. Whitespace and Formatting
Store the key in or Azure Key Vault and fetch it at runtime. Desktop Apps (WPF/WinForms)
using Xceed.Words.NET; namespace MyProject { class Program { static void Program() { // Set your license key here Licenser.LicenseKey = "WDNXX-XXXXX-XXXXX-XXXX"; // Now you can safely use DocX methods using (var document = DocX.Create("HelloWorld.docx")) { document.InsertParagraph("Hello World!"); document.Save(); } } } } Use code with caution. VB.NET Implementation xceed.words.net.licenser.licensekey
If you have entered a key but are still seeing trial limitations, check the following common pitfalls: 1. Key Placement
Set the key in Application_Start within the Global.asax file. Xceed licenses are often version-specific
By setting this property at the entry point of your application, you unlock the full version of the software, removing: Trial watermarks on generated documents. The "Evaluation Version" pop-ups or text injections. Execution limits or trial expiration locks. 💻 How to Set Your License Key
Ensure every service utilizing the library has the Licenser property set. ⚠️ Troubleshooting Validation Errors Verify the Assembly Version in your project references
Are you performing or simple Table Manipulations ? Are you encountering a specific Exception Error Code ?