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The Best C# Excel Library

The Best C# Excel Library

Did you know that the Microsoft Excel spreadsheet system launched in 1985? If you are a .NET developer it is important to stay in the know when it comes to Excel Libraries. The reason is that it is not easy to edit an Excel file.

But, finding the right C# Excel library can help make your life easier by streamlining your code. Read on to learn everything there is to know about the C# library.


This helps users with the functionality of writing and reading Excel spreadsheets quickly. FastExcel is an open-source library, and it doesn’t use Open XML SDK in order to interact or edit data. Instead, XML files are edited by itself.

You only need either .NET Core 2.0 or .NET Framework 4.5 when using FastExcel. With this, you have the ability to add data, add cell ranges, add new sheets, etc.

Keep in mind that this is an open-source library. This means that you can use it for free for your basic functionalities of Excel.


EPPlus is a C Excel Library that allows a developer to access Excel’s methods and objects. This includes both API and VBA. With EPPlus you can harness the power of Excel and build complex and high-quality applications.

You can also opt to create a spreadsheet quickly if need be. The EPPlus library provides different helpful functions such as managing columns, rows, and cells. You can also manipulate pivot table fields, work with images, worksheets, charts, and graphs.

There is also the option to create new pivot tables, plus export data to other formats. As a bonus EPPlus does not depend on another library like Microsoft Excel. Another bonus is that it’s not only a static library, it’s always changing and evolving as it responds to user needs and changes in the Excel spreadsheet environment.

EPPlus is distributed by NuGet and Version 5 of EPPlus supports .NET Framework from version 3.5 plus it also supports .NET Core from version 2.0.

When it comes to the pricing for EPPlus there are a couple of pricing plan options available.


This is a versatile library that can be used to open, edit, read, and save Excel files. IronXL also supports all .NET project templates plus it is easy to use.

You also don’t have to install Microsoft Office on a local machine in order to use IronXL.

Feeling Like a C# Excel Library Pro?

Now that we covered the ins and outs of C# Excel library you can make an informed decision if you want to use this to read and edit Excel files programmatically instead of having to use a bunch of Excel libraries to get the job done. We recommend testing things out for yourself because every library has its own pros and cons.

Did our guide help you out today? Please continue browsing the rest of our technology section to catch our latest guides.