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Application Security — Documents Are Untrusted Input

A .docx is a ZIP file Open a .docx file in a hex editor and the first two bytes are PK . Every modern Office format - .docx , .xlsx , .pptx - is a ZIP archive of XML parts and embedded resources. PDF is not a ZIP file, but just like Office formats it...

Oliver Sturm (DevExpress)

29 May 2026

.NET .net core Architecture ASP.NET Blazor Office File API Reporting security WinForms WPF XAF

Application Security — Stronger Hashes and Safer Passwords

Every application that stores passwords makes an implicit bet: that the hashing algorithm it chose will remain strong enough to resist attacks for as long as those hashes exist. It’s worth revisiting that bet regularly. This post walks through the reasoning...

Oliver Sturm (DevExpress)

17 April 2026

.NET .net core Architecture ASP.NET Blazor Dashboard Data Access Office File API Reporting security WinForms WPF XAF

Office File & PDF Document Processing APIs — June 2026 Roadmap (v26.1)

We thank you for your continued support and for sharing your document processing needs and requirements with us. In this blog post, I’ll outline our development and release plans for the first half of 2026. If you’d like to discuss this roadmap in greater...

Maria Nikulina (DevExpress)

23 February 2026

Accessibility Document Processing featured Office Office File API PDF Document API presentation api Roadmap spreadsheet document api v26.1 Word Document API

File & Document Processing APIs (Office/PDF File APIs) — Year-End Roadmap (v25.2)

Thank you for your continued support and for sharing your document processing needs and requirements with us. In this blog post, I'll share our development/release plans for the second half of 2025. If you’d like to discuss this roadmap in greater detail...

Maria Nikulina (DevExpress)

14 August 2025

Accessibility AI Document Processing Office Office File API office-inspired controls PDF Document API presentation api Roadmap spreadsheet document api v25.2 Word Document API

File & Document Processing APIs — New PowerPoint Presentation API Library

We are happy to announce the CTP release of our new .NET PowerPoint Presentation API library (available with v25.1.4+ ). This library was designed to help you create, read, edit, convert, merge, split, and print Microsoft PowerPoint files within .NET...

Maria Nikulina (DevExpress)

13 August 2025

Document Processing featured Office Office File API powerpoint presentation presentation api v25.1

Document Processing (Office File API) — Early Access Preview (v25.1) — Redaction API, Export Enhancements and More

This post outlines what’s inside our current Early Access Preview build (v25.1), which is available for download for our Universal and DXperience subscribers. Early Access and CTP builds are provided solely for early testing purposes and are not ready...

Polina Fedorova (DevExpress)

25 April 2025

2025 AcroForms Content Controls DOC Document Processing eap Office Office File API office-inspired controls PDF PDF Document API PDF Viewer Right-To-Left RTL Word Document API Word Processing

What's coming in v25.1

As we look ahead to the DevExpress v25.1 release anticipated early June, there is a lot to get excited about across our product line-up. From UI enhancements and performance boosts to serious AI integration and accessibility upgrades, the focus this cycle...

Paul Usher (DevExpress)

13 April 2025

ai Blazor Dashboard DevExtreme News Office File API prerelease Reporting v25.1 VCL WinForms WPF XAF

Document Processing Libraries (Office File API) — June 2025 Roadmap (v25.1)

We thank you for your continued support and for sharing your document processing needs and requirements with us. In this blog post, I'll share our development/release plans for the first half of 2025. If you’d like to discuss this roadmap in greater detail...

Maria Nikulina (DevExpress)

20 February 2025

Document Processing Office Office File API PDF Document API presentation Rich Text Editor Roadmap spreadsheet document api v25.1 Word Processing

Spreadsheet Control for WinForms and WPF – Sort and Filter by Color via the User Interface

In a recent minor update (v24.1.4), we introduced new UI elements for both our WinForms and WPF Spreadsheet component libraries. These enhancements allow users to sort and filter spreadsheet data by color. The following video showcases this new capability...

Polina Fedorova (DevExpress)

14 October 2024

Filter Filter by Color Office File API Sort Sort by Color Spreadsheet UI User Interface v24.1 WinForms WPF

PDF Document API — Using Layers (Optional Content Groups) to Control Visibility of PDF Graphics Objects (v24.1)

Complex PDF documents such as CAD drawings, technical construction plans, layered artwork, maps, or multi-language documents are full of visual information. PDF layers are often used to simplify these documents and improve overall readability (layers...

Margarita (DevExpress)

28 August 2024

2024 Facade API Office Office File API PDF PDF Document API v24.1 WinForms WPF