Security operations Leave feedbackGroupDocs.Merger provides subset of features to manage document security - it allows you to add, update and remove password for documents from different sources. For more details please refer to the following guides:Add document passwordAdd password to PDF with permissionsCheck document password-protectionRemove document passwordUpdate document passwordWas this page helpful?Not really Yes, thanksAny additional feedback you'd like to share with us?Skip SendPlease tell us how we can improve this page.Skip SendThank you for your feedback!We value your opinion. Your feedback will help us improve our documentation.