Protect or Unprotect MS Word DOCX Files in Java

add-protection-to-docx.java

// Load a DOCX file
Document doc = new Document("word.docx");

// Protect with a protection type
doc.protect(ProtectionType.ALLOW_ONLY_COMMENTS);

// Save the document
doc.save("Protected Document.docx");

protect-docx-password.java

// Load a DOCX file
Document doc = new Document("word.docx");

String password = "123456";

// Protect with a protection type
doc.protect(ProtectionType.ALLOW_ONLY_COMMENTS, password);

// Save the document
doc.save("Protected Document.docx");

unprotect-docx.java

// Load a DOCX file
Document doc = new Document("word.docx");

// Unprotect
doc.unprotect();

// Save the document
doc.save("Unlocked Document.docx");