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Add, Edit & Delete Annotation from ODT via Java

Build your own Java apps to manipulate comments & authors in Microsoft Word ODT files using server-side APIs.

How to Annotate ODT File Using Java

In order to annotate ODT file, we’ll use

Aspose.Words for Java

API which is a feature-rich, powerful and easy to use annotation 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-words API</version>

Steps to Manipulate Annotation of ODT via Java

  1. Load ODT file via Document object
  2. Get comments and replies via Comment class
  3. Remove replies using removeReply method
  4. Add replies through addReply(…)
  5. Save file using save()

System Requirements

Before integrating the code, 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.Words for Java directly from Maven.

Delete Annotations from ODT - Java

//Adding and Deleting Comment Reply
Document odt = new Document(dataDir + "TestFile.odt");
Comment comment = (Comment) odt.getChild(NodeType.COMMENT, 0, true);

//Remove the reply

//Add a reply to comment
comment.addReply("John Doe", "JD", new Date(), "New reply");

dataDir = dataDir + "TestFile_Out.odt";

// Save the document to disk.
  • Java 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. ‎

    Remove Annotation from ODT via Online App

    Other Supported Annotation Formats

    Using Java, one can easily annotate other formats including.

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