How to Lock MS Project Using Java

In order to lock MS Project File, we’ll use

Aspose.Tasks for Java

API which is a feature-rich, powerful and easy to use document Lock MS Project API for Java platform. Open


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


PM> Install-Package Aspose.Tasks

Steps to Lock MS Project of MPP via Java

  • Upload MPP file using Project Class
  • Enter password details
  • The server processes the file and set the password properties of the MPP file
  • Resave the project with the password

System Requirements

Aspose.Tasks for Java supports on all major platforms and Operating Systems. Please make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with Java Runtime Environment for JSP/JSF Application and Desktop Applications.
  • Get latest version of Aspose.Tasks for Java directly from Maven .

Lock MPP files via Java

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  • About Aspose.Tasks for Java API

    Aspose.Tasks is a Microsoft Project API to view and convert project documents. One can load, create, modify and render Microsoft Project files to Primavera, Excel, PDF, HTML, images and XML formats. Aspose.Tasks is a standalone API and does not require Microsoft Project or any other software to be installed.

    Lock MPP files via Online App

    Lock MPP files with the password by using our Live Demos with following benefits.

      No need to download or setup anything
      No need to write any code
      Just upload your MPP file & edit document properties
      Instantly get the download link for the resultant file

    MPP What is MPP File Format

    A file with MPP extension is Microsoft Project data file that stores information related to project management in an integrated manner. It is proprietary file format developed by Microsoft as file format for Microsoft Project (MSP) which is a project management application software. Besides MPP, MSP supports other file formats as well like project XML schema. Several APIs and applications provide the facility to convert MPP file format to others. Microsoft now has online Project Server where project management files can be uploaded for collaboration by multiple users.

    Other Supported Metadata Formats

    Using Java, One can also manipulate metadata of many other formats including