Watermarking is a famous way of adding labels to the documents that may indicate the state of the document such as draft, confidential, etc. It can be used to add a company’s logo behind the text of the document to avoid the ownership dispute. In some cases, people add watermarks to the documents to protect the content. But, are you sure that the content is protected and no one can remove those watermarks?...show you how to protect your Word documents and prevent the editing...NET API. Locking Watermark in Word Document # GroupDocs.Watermark...