: The .NET port of the Apache POI project. It supports reading and writing both old binary formats (DOC) and modern Open XML formats (DOCX).
What you are using (.NET Core, Framework, Blazor, Console)? If you need help migrating from an older version ? Gembox.document License Key
For web applications, place the license key inside the Program.cs file (or Startup.cs in older versions) so it executes when the web server starts: If you need help migrating from an older version
using GemBox.Document; class Program static void Main() // If using the Free version explicitly ComponentInfo.SetLicense("FREE-LIMITED-KEY"); // If using a purchased Commercial License Key // ComponentInfo.SetLicense("YOUR-COMMERCIAL-REGISTRATION-KEY-HERE"); // Your document processing logic goes here DocumentModel document = new DocumentModel(); document.Content.Pages.Add(new Page(document)); // ... Use code with caution. VB.NET Code Example server deployment is royalty-free
For developers and organizations building document processing applications, purchasing a legitimate license key represents an investment in reliability, security, and legal compliance. The risks associated with cracked or unauthorized keys——including security vulnerabilities, lack of support, and potential legal consequences——far outweigh any short-term cost savings.
No——Professional licenses are per developer. Each developer working with the library requires their own license. However, server deployment is royalty-free, meaning one license covers unlimited production servers.