Password Protection of Word Files in Java by Adding, Removing, and Changing Passwords

readme.md

Related blog post: Lock & Unlock Word Documents in Java

AddPasswordToDoc.java

/*
 * Password Protect Word Documents in Java
 */
AddPasswordOptions addOptions = new AddPasswordOptions("mySECRETpassWORD");

Merger merger = new Merger("path/document.docx");
merger.addPassword(addOptions);
merger.save("path/protected-document.docx");

ChangeDocPassword.java

/*
 * Change password of the protected DOC/DOCX documents in Java
 */
LoadOptions loadOptions = new LoadOptions("mySECRETpassWORD");
UpdatePasswordOptions updateOptions = new UpdatePasswordOptions("TOPSECRET_pa22WORD");

Merger merger = new Merger("path/protected-document.docx", loadOptions);
merger.updatePassword(updateOptions);
merger.save("path/pwd-changed-document.docx");

RemoveDocPassword.java

/*
 * Remove password from Word document in Java
 */
LoadOptions loadOptions = new LoadOptions("mySECRETpassWORD");

Merger merger = new Merger("path/protected-document.docx", loadOptions);
merger.removePassword();
merger.save("path/no-pwd-document.docx");