OpenExcelExport is a basic but useful application to extract main data from an excel: Shared strings, Styles/CellFormats, Fills, Borders and Fonts. This application is free of charge.
The application export all these data in an output excel file. Each extracted data are displayed in a tabpage.
see: https://pierlam.github.io/OpenExcelExport/
The application uses the library OpenExcelSdk to access Excel content.
Source code can be found here:
https://github.com/Pierlam/OpenExcelSdk
The nuget can be downloaded here: