Today we are looking at how to write to an excel file! We quickly open an existing excel file and modify it. After that, I show how to save that same excel file to a new file!

If you need to write one value, you can easily do that, we also cover how to store your values in an array and write that array to the file!

I recommend using this master template style Opening , editing, saving design pattern because it allows you to design a complicated excel file and then add data to it.

At any rate, I hope you enjoy this deep dive into writing to Excel files using C#!

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