<div class="raw-html-embed">
 The Protection tab of the <a href="https://www.onlyoffice.com/form-creator?docs=download" target="_blank" onclick="onhyperlinkclick(this)">Form Creator</a> allows protecting your PDF forms with a password.
 The corresponding window of the Online Form Creator:
 <img class="width-content" alt="Protection tab" src="https://static-helpcenter.onlyoffice.com/protectiontab_40bacbdd57.png" />
 The corresponding window of the Desktop Form Creator:
 <img class="width-content" alt="Protection tab" src="https://static-helpcenter.onlyoffice.com/desktop_protectiontab_745a19d7d2.png" />
 Using this tab, you can:
 <ul>
 <li><a href="../form_builder/Password.aspx" onclick="onhyperlinkclick(this)">set a password for your PDF form</a>,</li>
 <li>change passwords and delete them,</li>
 <li>remove PDF form protection altogether.</li>
 </ul>
</div>

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ONLYOFFICE Docs Form Creator - Protection tab

Protection tab