Existing excel append

https://stackoverflow.com/questions/41841251/appending-data-to-existing-excel-file-using-c-sharp 

You can use Free Spire.XLS nuget package to easily append data to an existing excel file using c#.

 

Here is the online documentation for your reference:

https://www.e-iceblue.com/Tutorials/Spire.XLS/Spire.XLS-Program-Guide/Spire.XLS-Program-Guide-Content.html 

Hi Dear,

 

check this

 

https://stackoverflow.com/questions/41841251/appending-data-to-existing-excel-file-using-c-sharp

 

https://social.msdn.microsoft.com/Forums/en-US/0d0a68b0-ecaf-4c48-8d96-43f04c31a8b6/appending-records-to-existing-excel-sheet-using-c-sharp?forum=exceldev

 

https://www.codeproject.com/Questions/1167255/Appending-data-to-existing-excel-file-using-Csharp

 

Thanks