Update document password

GroupDocs.Merger allows to update password from password-protected document. The resultant document will have new password.
Here are the steps to update document password:

The following code sample demonstrates how to update document password:

string filePath = @"c:\sample.xlsx";
string filePathOut = @"c:\output\result.xlsx";

ILoadOptions loadOptions = new LoadOptions("SAMPLE_PASSWORD");
IUpdatePasswordOptions updateOptions = new UpdatePasswordOptions("NEW_SAMPLE_PASSWORD");

using (Merger merger = new Merger(filePath, loadOptions))