Encrypt XLSM Files via Java
Password-protect Excel spreadsheets including XLSM format using .NET Library.
Aspose.Cells for Java
Overview
How to Secure XLSM File Using Java
In order to protect XLSM 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 XLSM Files via Java
Document protection using Aspose.Cells APIs can be done with just few lines of code.
- Load XLSM file by instantiating Workbook class
- Use protect(..) method with ProtectionType and Password
- Save the protected XLSM 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 XLSM file
Workbook wkb = new Workbook("sourceFile.xlsm");
// Protect workbook by specifying protection type
wkb.protect(ProtectionType.ALL, "12345");
// Save the XLSM file
wkb.save("lockedFile.xlsm");
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 XLSM
XLSM What is XLSM File Format?
Files with XLSM extension is a type of Spreadsheet files that support Macros. From application point of view, a Macro is set of instructions that are used for automating processes. A macro is used to record the steps that are performed repeatedly and facilitates performing the actions by running the macro again. Macros are programmed with Microsoft's Visual Basic for Applications (VBA) from within the Excel Workbook using the Visual Basic Editor and can be run/debug directly from there.
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