Aspose.Cells or VSTO

When you need to compare which product is best for your solution, there are many criteria to evaluate, but the main focus will often be the functionality and effort required to use the product.

If you are looking for a faster, simpler, and lighter file format library to process files, then you might want to compare Aspose.Cells for .NET and VSTO. Then you will be able to notice that in fact these products do not compete, but solve slightly different user tasks.

What is VSTO?

VSTO, or Visual Studio Tools for Office, or Microsoft Visual Studio Tools is part of Microsoft’s Visual Studio .NET tools suite and supports the Microsoft .NET Framework. It is used by developers to write code connecting Microsoft Office Word, Excel and Outlook applications. Developers using VSTO can employ C# or Visual Basic languages. It is an alternative to Visual Basic for Applications, or VBA.

Aspose.Cells for .Net

Aspose.Cells for .NET provides the most flexible group of components that enable .NET Application to create and manage Excel Spreadsheets without requiring Microsoft Excel to be installed on the server. Aspose.Cells is one of the leading components for all types of Excel formats manipulation. Unlike similar products from other vendors, Aspose.Cells not only supports spreadsheet generation and other basic file formatting features, but also supports a number of advanced features. These advanced features make it much more convenient for the developers to manipulate spreadsheet contents, cells formatting and files protection. Aspose.Cells also allows importing data into spreadsheets from different data sources, adding common and complex Mathematical, DateTime, Financial, Text Formulas / Functions, supports manipulation of charts, pictures, comments, drawing objects and controls etc.

Why Not VSTO

If you need to complete some non-standard or unpopular document-related task, then VSTO can help you implement such a solution. In other words, VSTO can be used to extend the capabilities of Microsoft Office based on the specifics of your problem.

If your document-related tasks are popular, it is highly likely that Aspose.Cells provides you with an API for creating an effective and quick solution. It is worth noting that with Aspose.Cells you can handle some pretty tricky and complex situations because it provides really powerful and comprehensive tools. This way you save time and do not reinvent the wheel.


Aspose.Cells is thoroughly tested and packaged in a single DLL without requiring any additional parts to be installed to work.

Scalability and Speed

Aspose components are highly scalable and lightning fast. They are a true .NET solution and perform flawlessly on either a single server powering a single application or a load balanced web farm powering an enterprise application.