Aspose.Cells  for Java

Unlock XLSX Files via Java

Remove protection from Excel spreadsheets including XLSX file using Java Library.

How to Remove Protection XLSX File Using Java

In order to unlock XLSX file, we’ll use

Aspose.Cells for Java

API which is a feature-rich, powerful and easy to use protection 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 unlock XLSX via Java

  1. Instantiate Workbook class with path to protected XLSX file
  2. Get the default or any Worksheet to remove protection
  3. Remove Worksheet protection with Worksheet.Unprotect method
  4. Remove Workbook protection with Workbook.Unprotect method
  5. Save result in XLSX format

System Requirements

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


Unlock XLSX Files via C#

Workbook wkb = new Workbook("source.xlsx");

WorksheetCollection wksc = wkb.getWorksheets();
Worksheet wks = wksc.get(0);

// Unprotecting the XLSX

// Save the XLSX file."Worksheet_out.xlsx", FileFormatType.EXCEL_97_TO_2003);
  • 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 Unlock XLSX

    Other Supported Unlocking Formats

    Using Java, one can easily remove protection / unlocking of different formats including.

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