Aspose.Cells  for Java

Bulk Report Generation in XLSX Format via Java

Generate reports in XLSX format using data source & a template.

How to Generate XLSX Reports Using Java

In order to create XLSX file reports, we’ll use

Aspose.Cells for Java

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

Steps to Generate XLSX Reports via Java

  1. Instantiate WorkbookDesigner class
  2. Add Datasouce objects in an ArrayList
  3. Set data source and Process for the WorkbookDesigner object
  4. Save result in XLSX format via method

System Requirements

Aspose.Cells 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.Cells for Java directly from Maven.

Generate Excel Reports in XLSX Format - Java

//Create a workbook designer
WorkbookDesigner designer = new WorkbookDesigner(workbook);

//Create Persons objects with photos
ArrayList persons = new ArrayList();       
persons.add(new Person("George", "New York", photo1));
persons.add(new Person("George", "New York", photo2));

//Set the data source and process smart marker tags
designer.setDataSource("Person", persons);

//Save the workbook + "output.xlsx", SaveFormat.XLSX);
System.out.println("File saved");
  • About Aspose.Cells for Java API

    Aspose.Cells API can be used to create, edit, convert and render Microsoft Excel formats to different formats. Moreover, it can be used for comprehensive charting, scalable reporting and reliable calculations within software applications. Aspose.Cells is a standalone API and it does not require any software like Microsoft or OpenOffice.

    Free App to Assemble XLSX

    Check our live demos to create XLSX files with following benefits.

      No need to download or setup anything
      No need to write or compile code
      Just upload XLSX file and hit the "Assemble" button
      Download the resultant XLSX file from the link

    XLSX What is XLSX File Format?

    XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

    Read More

    Other Supported Report Generation Formats

    Using Java, one can easily generate reports of multiple formats including.

    ODS (OpenDocument Spreadsheet File)
    XLS (Excel Binary Format)
    XLSB (Binary Excel Workbook File)
    XLSM (Spreadsheet File)