Unlock Files in CSharp

How to Password Protect and Remove Protection from Word Documents using C#

Let us discuss how we can restrict the access to the Word documents by making them password protected. We have already learned to lock and unlock PDF, and PowerPoint files. In this article, we will see how to password protect a Word document using C#. Further, we will learn to remove the password to unlock Word documents, and lastly, how to change the existing password of DOC & DOCX files within the .NET applications.

Lock and Unlock PowerPoint Files with Password using C#

Today, we will provide password protection to our presentation files programmatically. In this article, we will see how to lock PowerPoint presentation files with password protection in C#. Further, we will learn to unlock these by removing the password and also how to change the existing password of PPT & PPTX presentation files. The following topics are discussed in this article:

.NET API to Protect PowerPoint PPT/PPTX with Password * Lock PowerPoint Files by adding Password * Change PPT/PPTX Password in C# * How to Remove PowerPoint Presentation Password