This article shows how to Java WordsApi can be used to unprotect a Word (DOCX) document via the Java REST API, enabling you to remove password protection programmatically.

Prerequisite

• Create an account and get API credentials
• Download the Aspose.Words Cloud SDK for Java to work with protected Word files
• Set up a Java project and add the SDK as a dependency

Steps to Convert Protected Word Document to Unprotected with Java REST API

1. Create an instance of the WordsApi class by providing your client ID and client secret.
2. Instantiate an UnprotectDocumentOnlineRequest object, supplying the input Word file data and the desired output file name.
3. Call the UnprotectDocumentOnline() method to send the request.
4. Receive the response and save the unprotected document to disk.

The steps above outline the process to unprotect a Word DOCX using the Java REST API. First, create a WordsApi object, then configure an UnprotectDocumentOnlineRequest with the protected file and target name. Finally, invoke UnprotectDocumentOnline and extract the resulting unprotected document from the API response.

Code to Unprotect a Word Document for Editing with Java REST API

The sample demonstrates how to unprotect a DOCX file via the Java REST API. The UnprotectDocumentOnlineRequest class supports additional parameters such as LoadEncoding, Password, and EncryptedPassword when needed. You can keep the file in the cloud for further processing and download it only when you’re ready.

For information on adding protection to a Word file, see the article: Add Password to Word Document with Java REST API.

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