File Formats

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How to Add Comments to Excel Documents Using C#

Mohan Chandran

4 min readJan 19, 2026

What’s New 2023 Volume 3: File-Format Libraries

Gunasekaran Thirumoorthy

23 min readJan 9, 2026

Creating a .NET MAUI Smart PDF Viewer App with Auto-Summary Generation Using OpenAI’s ChatGPT

Selva Ganapathy Kathiresan

8 min readOct 13, 2026

Convert Word Documents to Markdown and Vice Versa in C#

Mohanaselvam Jothi

7 min readOct 13, 2026

Implementing Data Validation in Excel Cells Using C#

Mohan Chandran

6 min readOct 15, 2026

Generate a Loan EMI Schedule as an Excel Document Using C#

Mohan Chandran

17 min readOct 30, 2025

Create, Fill, and Edit Fillable PDF Forms Using C# - A Complete Guide

Sowmiya Loganathan

4 min readFeb 10, 2026

4 Simple Steps to Create Thumbnail Images for Excel Documents in C#

Mohan Chandran

2 min readJan 13, 2025

What's New in 2023 Volume 2: File-Format Libraries

Gunasekaran Thirumoorthy