package com.aspose.cells.examples.asposefeatures.worksheets; import com.aspose.cells.EncryptionType; import com.aspose.cells.Workbook; import com.aspose.cells.examples.Utils; public class AsposeEncryptSpreadsheets { public static void main(String[] args) throws Exception { // The path to the documents directory. String dataDir = Utils.getDataDir(AsposeEncryptSpreadsheets.class); //Instantiate a Workbook object by excel file path Workbook workbook = new Workbook(dataDir + "book1.xls"); //Password protect the file. workbook.getSettings().setPassword("1234"); //Specify XOR encryption type. workbook.setEncryptionOptions(EncryptionType.XOR, 40); //Specify Strong Encryption type (RC4,Microsoft Strong Cryptographic Provider). workbook.setEncryptionOptions(EncryptionType.STRONG_CRYPTOGRAPHIC_PROVIDER, 128); //Save the excel file. workbook.save(dataDir + "AsposeEncryptedWorkBook.xls"); System.out.println("Encryption Done."); } }