Read data from XLSX Excel file in VB.NET from ASP.NET web pages, windows applications, winforms, console applications! Spreadsheets in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/read-xlsx-file.html

Read data from XLS Excel file in VB.NET from ASP.NET web pages, windows applications, winforms, console applications! Spreadsheets in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/read-xls-file.html

Import Excel sheet to DataSet in VB.NET from ASP.NET web pages or windows application by EasyXLS! XLSX, XLSM, XLSB, XLS spreadsheets in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/import-excel-sheet-to-dataset.html

Import Excel file to DataSet in VB.NET from ASP.NET web pages or windows application by EasyXLS! XLSX, XLSM, XLSB, XLS spreadsheets in .NET.
https://www.easyxls.com/manual/tutorials/vb-net/import-excel-to-dataset.html

Convert XML Spreadsheet to Excel file in C#.NET from ASP.NET web pages or windows application by EasyXLS library! XLS, XLSX, XLSM, XLSB in .NET.
https://www.easyxls.com/manual/tutorials/csharp/convert-xml-spreadsheet-to-excel.html

Convert HTML to Excel file in C#.NET from ASP.NET web pages or windows application by EasyXLS library! XLS, XLSX, XLSM, XLSB in .NET.
https://www.easyxls.com/manual/tutorials/csharp/convert-html-to-excel.html

Convert CSV to Excel file in C#.NET from ASP.NET web pages or windows application by EasyXLS library! XLS, XLSX, XLSM, XLSB in .NET.
https://www.easyxls.com/manual/tutorials/csharp/convert-csv-to-excel.html

Convert Excel XLSB to XLSX in C#, VB.NET, Java, PHP, ASP classic, C++, C++.NET, VB6, VBS! XLS, XLSX, XLSM, XLSB spreadsheets by EasyXLS.

https://www.easyxls.com/manual/basics/convert-xlsb-to-xlsx.html

Convert Excel XLSX to XLSB in C#, VB.NET, Java, PHP, ASP classic, C++, C++.NET, VB6, VBS! XLS, XLSX, XLSM, XLSB spreadsheets by EasyXLS.

https://www.easyxls.com/manual/basics/convert-xlsx-to-xlsb.html

Convert Excel XLSX to XLS in C#, VB.NET, Java, PHP, ASP classic, C++, C++.NET, VB6, VBS! XLS, XLSX, XLSM, XLSB spreadsheets by EasyXLS.

https://www.easyxls.com/manual/basics/convert-xlsx-to-xls.html