Java/ Convert PPS/PPT to PPTX

PPS is a PowerPoint Show format that opens in full-screen slideshow mode and automatically exits when finishing displaying . While PPT is the default file extension for saving presentations in PowerPoint 2003 and earlier versions. Sometimes, you may receive a PowerPoint presentation in .pps or .ppt format. In this article, you will learn how to programmatically convert them to PPTX format using Free Spire.Presentation for Java.

Import jar dependency

● You can download the free library and unzip it, and then add the Spire.Presentation.jar file to your project as dependency.

● Or you can directly add the jar dependency to your maven project by adding the following configurations to the pom.xml.

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>http://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.presentation.free</artifactId>
        <version>3.9.0</version>
    </dependency>
</dependencies>

【The Presentation.saveToFile() method offered by Free Spire.Presentation for Java allows you to convert the pps and ppt file fromat to pptx with just a few lines of code.】

Convert PPS to PPTX

import com.spire.presentation.*;

public class convertPPSToPPTX {
    public static void main(String[] args) throws Exception {
        //Create an instance of presentation document
        Presentation ppt = new Presentation();
        //Load PowerPoint  file
        ppt.loadFromFile("sample.pps");

        //Save the PPS document to PPTX file format
        ppt.saveToFile("output/convertPPSToPPTX.pptx", FileFormat.PPTX_2013);
    }
}

Convert PPT to PPTX

import com.spire.presentation.*;

public class toPPTX {
    public static void main(String[] args) throws Exception {
        //Create an instance of presentation document
        Presentation ppt = new Presentation();
        //Load the PowerPoint file from disk
        ppt.loadFromFile("sample.ppt");

        //Save the PPT document to PPTX file format
        ppt.saveToFile("output/PPTtoPPTX_result.pptx", FileFormat.PPTX_2013);
        ppt.dispose();
    }
}