Encrypt XLSX Files via Java
Password-protect Excel spreadsheets including XLSX format using .NET Library.
How to Secure XLSX File Using Java
In order to protect XLSX file, we’ll use
API which is a feature-rich, powerful and easy to use encryption 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.
Aspose.Cells
<repository>
<id>AsposeJavaAPI</id>
<name>Aspose Java API</name>
<url>https://repository.aspose.com/repo/</url>
</repository>
Repository
<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-cells</artifactId>
<version>version of aspose-cells API</version>
<classifier>jdk17</classifier>
</dependency>
Steps to Protect XLSX Files via Java
Document protection using Aspose.Cells APIs can be done with just few lines of code.
- Load XLSX file by instantiating Workbook class
- Use protect(..) method with ProtectionType and Password
- Save the protected XLSX file by save() 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 .
Dependency
// Open the XLSX file
Workbook wkb = new Workbook("sourceFile.xlsx");
// Protect workbook by specifying protection type
wkb.protect(ProtectionType.ALL, "12345");
// Save the XLSX file
wkb.save("lockedFile.xlsx");
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 Protect XLSX
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.
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