Delphi Open XML library for processing .docx, .pptx and .xlsx documents.

Create or modify Word Document .docx files
Create or modify PowerPoint Presentation .pptx files
Create or modify Excel Workbook .xlsx files
Microsoft Office installation is not required
Uses Microsoft Open XML SDK 2.5
Requires Microsoft .NET 4.0 or higher
Support Windows 32 and Windows 64
Available for Delphi 7 - XE8
Royalty free distribution in applications