GemBox.Bundle v39.0.1005 - Spreadsheet/Document/Pdf/Presentation/Email

GemBox.Bundle is a package of .NET components that enable you to process office files (spreadsheets, documents, presentations, and emails) simply and efficiently. With our components you get fast and reliable results in an easy–to–use format. Only the .NET framework is required, so you can deploy your application easily without having to think about other licenses. And they’re up to 20 times faster than Microsoft automation!

https://developer.team/dotnet/30860-gemboxbundle-v3901005-spreadsheet-document-pdf-presentation-email.html