What technologies should be used to write such an application?

Question

C++ / C#

The task is to write an application in C# that will receive a docx document from a web page and convert it to xlsx.
IIS server.
What to apply in this case?

Answer 1

hello, you need ASP.NET MVC for the site
to make the form https://metanit.com/sharp/articles/26.php
there, then use the libraries for word and excel according to this article .
Didn't work with Word, but excel here
https://github.com/ExcelDataReader/ExcelDataReader
csharp.net-informations.com/excel/csharp-excel-tut...

Answer 2

Get the file in a regular way, then convert it using DocumentFormat.OpenXML.