HTML JPG PDF XML DOC
  Product Family
DOC

Unlock DOC Document via C#

Remove protection from Word documents including DOC file using .NET library.

How to Unlock DOC File Using C#

In order to remove protection DOC file, we’ll use

Aspose.Words for .NET

API which is a feature-rich, powerful and easy to use document protection API for C# platform. Open

NuGet

package manager, search for Aspose.Words and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command


PM> Install-Package Aspose.Words

Unlock DOC via C#

Developers can easily unlock Microsoft Word DOC files by executing the following workflow.

  1. Load protected document in an instance of Document class
  2. Call Document.Unprotect method to remove protection
  3. Save the result back in DOC format with Doucment.Save method

System Requirements

Before integrating code, make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Windows Azure, Mono or Xamarin Platforms
  • Development environment like Microsoft Visual Studio
  • Aspose.Words for .NET referenced in your project
 

C# example code to unlock DOC file password


// load DOC document
var docx = new Document("protected.doc");
// unprotect document
docx.Unprotect();
// save the document back in DOC format
docx.Save("unprotected.doc");
 
  • .NET Words API can be used to load, view and convert Microsoft Word and OpenDocument Formats like DOC, DOCX, ODT to PDF, XPS, HTML and various other formats. You can also create new documents from scratch and save them in the supported formats. It is a standalone API that is suitable for server side and backend systems where high performance is required. It does not depend on any software like Microsoft or OpenOffice. ‎

    Free App to Unlock DOC

    Other Supported Unlocking Formats

    Using C#, one can easily remove protection / unlocking of different formats including.

    DOCX (Office 2007+ Words Document)
    DOT (Microsoft Word Template Files)
    DOTX (Microsoft Word Template File)
    ODT (OpenDocument Text File Format)
    OTT (OpenDocument Standard Format)