Excel API.NET is a.NET component (written in C #) that will allow you, from your applications, to read and write in Excel documents without having to have MS Excel installed.
For example, with the Excel API.NET component you can create an HTML page from the content of an existing XLS spreadsheet, being able to specify the range to display, as well as the font of the letter, size, color, the edges, etc.
When creating a file in Excel, it will allow you to include texts, numbers, images, complex formulas, labels, dates, and so on. The Excel API.NET component also allows you to manipulate and modify XLS files.
You can free download Excel API.NET 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.