DevExpress DevExpress Office File API

DevExpress Office File API

Unlock the full potential of document automation with the DevExpress Office File API—a comprehensive .NET library designed for modern, cross-platform development. Ideal for businesses and developers alike, this powerful suite enables seamless creation, editing, conversion, and protection of Word, Excel, and PDF files—without relying on Microsoft Office. Whether you're building enterprise-grade apps or streamlining document workflows in the cloud, the Office File API delivers speed, accuracy, and unmatched versatility.

Buy now from £369.00 Free Trial

DevExpress Office File API Office File API (Complete and Basic), Single Developer

£410.00

DevExpress Office File API Office File API (Complete and Basic), 2-5 Developers

£389.00

DevExpress Office File API Office File API (Complete and Basic), 5-10 Developers

£369.00

Overview

Streamline Document Management with DevExpress Office File API
Greatstone proudly offers the DevExpress Office File API—a powerful toolkit for .NET developers seeking to handle documents without relying on Microsoft Office. This cross-platform solution supports Windows, macOS, Linux, and cloud services like Azure, enabling seamless creation, editing, and printing of Word, Excel, and PDF files. Whether you're generating reports, processing data, or converting file formats, this library provides all the essential functionality in one clean, efficient package.

Advanced Excel, Word, and PDF Capabilities Built In
The Office File API includes three robust engines: a spreadsheet module with full Excel formula support, charting tools, and pivot tables; a rich-text document engine with mail merge, formatting controls, and revision tracking; and a PDF processor for everything from digital signatures to form automation. These tools let your apps import, export, and protect documents while maintaining layout accuracy and performance across all devices.

More Than Documents—A Full Document Automation Suite
Beyond core editing tools, this API suite includes barcode generation, ZIP compression with encryption, and unit conversion utilities—perfect for automating large-scale business workflows. Whether you're building enterprise software or cloud-based document platforms, Greatstone empowers your development with an all-in-one solution that delivers speed, reliability, and professional output every time.

Features

Cross-Platform Support

Compatible with Windows, macOS, Linux, Azure, and Docker environments.

No Office Installation Required

Process Word, Excel, and PDF files without Microsoft Office or third-party components.

Excel Spreadsheet API

Read/write Excel files (XLSX, XLS, CSV, TXT)

400+ built-in functions and formulas

Charts, sparklines, pivot tables, and data binding

Cell formatting and conditional formatting

Password protection and worksheet security

Word Processing API

Import/export DOCX, RTF, HTML, TXT, and ODT

Rich text formatting, tables, images, hyperlinks

Mail merge with templates

Track changes and revision control

Digital signatures and document encryption

PDF Document API

Create, read, and modify PDFs

Merge, split, and flatten documents

Interactive forms and annotations

Text and image extraction

PDF/A and PDF/UA export for accessibility compliance

Electronic signatures and certificate-based validation

File Conversion

Easily convert between Word, Excel, and PDF formats.

Barcode Generation

Create a wide range of barcode formats for labels, forms, and documents.

ZIP Archive Support

Compress and encrypt files using ZIP utilities with password protection.

Scalable and High-Performance

Designed for server-side and cloud-based automation workflows.