Spreadsheet Document API

Read/Write Microsoft Excel Documents

A high performance and fully-functional API to work with Microsoft Excel documents. Our Spreadsheet Document API ships with the following integrated features:

  • Microsoft Excel compatibility (XLS, XLSX, XLSM, CSV, TEXT)
  • Print / Export to PDF and HTML
  • Built-in formula calculation engine with 400+ functions
  • Document Protection / Encryption
  • Charts, Sparklines, Pictures and Shapes
  • Data Binding
  • Mail Merge
  • Pivot Tables
Spreadsheet File API - XLS, XLSX, CSV

PDF Document API

Create and Manipulate PDF Documents

The DevExpress PDF Document API ships with the following integrated features:

  • Merge / Split PDF Documents
  • Interactive Forms
  • Text Markup Annotations
  • Document Signing
  • Password Protection
  • Text Search and Extraction
  • Print and Export
PDF Document API

Word (RTF) Document API

Read/Write Microsoft Word Documents

The DevExpress Word (RTF) Document API is a word processing engine designed to fully automate common word processing requirements and use-case scenarios. It is the non-visual equivalent of the DevExpress RichEdit Control. Integrated features include:

  • Supported File Formats: DOC, DOCX, RTF, ODT, EPUB, TXT, and more
  • Read / Write HTML Documents
  • Print / Export to PDF
  • Mail Merge with Master-Detail Support
  • Merge / Split Documents
  • Document Protection
  • RTL Support
Rich Text File API - DOC, DOCX, RTF

Learn More about Our Office File API

Document Automation

The DevExpress Office File API is a non-visual cross-platform .NET Library for document processing. It allows you and your team to fully automate Excel and Word without using Microsoft Office automation. Generate XLS, XLSx, DOC, DOCx, RTF, CSV and Snap Report files using a straightforward API that's easy-to-use and ready for the enterprise. Create new and edit existing PDF documents.

Export to PDF

MS Word / Excel / HTML

Export to PDF

The following document formats can be exported to PDF:

Mail Merge

Generate a batch of documents based on a single template.

Mail Merge

The Mail Merge functionality allows you to automatically generate a batch of documents based on a single document template. Supported file types include:

Our PDF Document API supports filling of interactive forms contained in PDF a document. Learn more

Document Protection

Protect your text documents, worksheets and PDF files.

Document Protection

Use password protection to prevent unauthorized users from opening or modifying your files. You can also restrict changes to workbooks, worksheets, text documents and PDF files. You can also encrypt your spreadsheets with a password and lock down PDF files by using a digital signature.

Split / Merge Documents

MS Word / Excel / PDF

Split / Merge Documents

The DevExpress Office File API allows you to merge multiple files (text documents, workbooks or PDF files) into a single file. You can also split a document or extract its content into multiple files.

Document Content Manipulation

Insert / Copy / Modify / Format

Document Content Manipulation

  • Import HTML content to MS Word documents
  • Copy cells and cell contents (Learn more)
  • Spreadsheet cell formatting (Learn more)
  • Divide a document into sections with individual headers and footers (Learn more)
  • Organize data into tables (Learn more)
  • Watermark PDF documents (Learn more)
  • Attach files to PDF (Learn more)

60 Day Unconditional Money Back Guarantee

We are so confident in our products and services that we back them with a 60 day no questions asked money back guarantee. If within the first 60 days of ownership you are not satisfied with the capabilities of our tools, you can request a full refund of the amount you paid to DevExpress by writing to clientservices@devexpress.com or by calling +1 (818) 844-3383.

Best Value
WinForms Controls
WPF Controls
ASP.NET Web Forms Controls
Printing & Exporting
ASP.NET MVC Extensions
Printing & Exporting
ASP.NET MVC Client-Side Controls
ASP.NET Core Controls
ASP.NET Core Office Controls
ASP.NET Bootstrap Controls
Themes and Skinning
JavaScript - jQuery, Angular, React, Vue
Blazor UI Components
Grid Layout
Stack Layout
UWP Controls
WinForms Report Viewer
WinForms End-User Report Designer
HTML5 Report Viewer
ASP.NET Web Forms Report Viewer
ASP.NET Web Forms End-User Report Designer
ASP.NET MVC Report Viewer
ASP.NET MVC End-User Report Designer
ASP.NET Core Report Viewer
ASP.NET Core End-User Report Designer
Blazor Report Viewer
Blazor End-User Report Designer
WPF Report Viewer
WPF End-User Report Designer
XPO - ORM Library
Office File API (Basic)
.NET Standard 2.0+ Support (Windows, Linux, MacOS)
Office File API (Complete)
.NET Standard 2.0+ Support (Windows, Linux, MacOS)
Business Intelligence Dashboard
XAF - Cross-Platform .NET App UI
Role-based Access Control and User Authentication (.NET)
Xamarin.Forms UI Controls
Native Mobile UI Controls
CodeRush Classic
VS 2015 Support
VS 2012, 2013 Support
HTML, ASP.NET, CSS, Razor, JavaScript
Source Code *
WinForms Controls
ASP.NET Controls
WPF Controls
JavaScript - jQuery, Angular, React
Blazor UI Components
UWP Controls
XPO - ORM Library
Office File API
Data Visualization Dashboard
XAF - Cross-Platform .NET App UI
Technical Support
Priority Support

* DevExpress does not include/ship source code for certain products, including CodeRush, TestCafe Studio, and Report & Dashboard Server.

Supported IDEs

Review the list of development tools and frameworks supported by our products. We strongly recommend that you always download and use the most recent versions. If the latest version does not support the IDE or framework that you're using, please write to us at support@devexpress.com and request the an evaluation version that suits your requirements.

Release Date
Supported Frameworks
.NET 5
.NET Core 3.0+
.NET Framework 4.5.2+
.NET Standard 2.0+
.NET Framework 4.0+
.NET Framework 4.5
.NET Framework 4.0
.NET Framework 3.5
.NET Framework 4.0
.NET Framework 3.5
.NET Framework 2.0
Supported IDE
Visual Studio 2019
Visual Studio 2017
Visual Studio 2015
Visual Studio 2013
Visual Studio 2012
Visual Studio 2019
Visual Studio 2017
Visual Studio 2015
Visual Studio 2013
Visual Studio 2012
Visual Studio 2010
Visual Studio 2013
Visual Studio 2012
Visual Studio 2010
Visual Studio 2008
Visual Studio 2010
Visual Studio 2008
Visual Studio 2005