Aspose.Slides  for Java

Merge POTX Formats in Java

Native POTX document merger using server-side Java APIs.

Merge POTX Files Using Java

In order to merge POTX file, we’ll use

Aspose.Slides for Java

API which is a feature-rich, powerful and easy to use merger API for Java platform. You can download its latest version directly from


and install it within your Maven-based project by adding the following configurations to the pom.xml.


    <name>Aspose Java API</name>


    <version>version of aspose-slides API</version>

Steps for Merging POTX Files in Java

A basic document merging and concatenating with Aspose.Slides for Java APIs can be done with just few lines of code.

  1. Load the first POTX file with an instance of Presentation class.

  2. Load the second POTX document with an instance of Presentation class.

  3. Loop through each slide of second POTX file.

  4. With each iteration, using addClone() to add slides with first file .

  5. Use save() method to save at specified path

System Requirements

Aspose.Slides 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.Slides for Java directly from Maven .

Merge POTX Files - Java

// Load first POTX File
Presentation prest1 = new Presentation("prest1.potx");

// Load second POTX File
Presentation prest2 = new Presentation("prest2.potx");

// Merge
for (ISlide slide : prest2.getSlides()) {
	// Merge from source to target

// Save the File"merged-presentation.potx", SaveFormat.Potx);  
  • About Aspose.Slides for Java API

    Aspose.Slides API can be used to read, write, manipulate and convert Microsoft PowerPoint documents to PDF, XPS, HTML, TIFF, ODP and various other formats. One can create new files from scratch and save those in the relevant supported formats. Aspose.Slides is a standalone API for creating, parsing or manipulating presentations, slides and elements and it does not depend on any software like Microsoft or OpenOffice.

    Online POTX Merger Live Demos

    Other Supported Merging Formats

    Using Java, One can also merge many other file formats including..

    ODP (OpenDocument Presentation Format)
    OTP (OpenDocument Standard Format)
    POT (Microsoft PowerPoint Template Files)
    POTM (Microsoft PowerPoint Template File)
    PPS (PowerPoint Slide Show)
    PPSM (Macro-enabled Slide Show)
    PPSX (PowerPoint Slide Show)
    PPT (Microsoft PowerPoint 97-2003)
    PPTM (Macro-enabled Presentation File)
    PPTX (Open XML presentation Format)