Encrypt Workbook using Aspose.Cells

Aspose.Cells - Encrypt Workbook

The following example shows how you can encrypt / password protect an excel file using the Aspose.Cells API.


 //Instantiate a Workbook object by excel file path

Workbook workbook = new Workbook(dataDir + "book1.xls");

//Password protect the file.


//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");

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