This article demonstrates how to verify if a Word document is password protected or not using Spire.Doc for Java.
The following image shows that the input Word document is protected with password:

import com.spire.doc.Document;
public class DetectIfWordIsPasswordProtected {
public static void main(String []args){
//Detect if the Word document is password protected
boolean isPasswordProtected = Document.isPassWordProtected("C:\\Users\\Administrator\\Desktop\\Sample.docx");
if(isPasswordProtected)
{
System.out.println("The document is password protected.");
}
else
{
System.out.println("The document is not password protected.");
}
}
}
Output:

