# Microsoft Rights Management Service

The Microsoft Rights Management Service (RMS) allows you to classify and optionally encrypt documents. This service forms the rights management part of Microsoft Azure Information Protection (AIP).

For many of the files that RMS can classify and encrypt, KeyView can identify whether they have been encrypted with RMS encryption. It can also extract metadata (including the RMS classification) and XrML associated with the document.

For the KeyView Filter C SDK, you can provide the credentials required to access protected files by using the `fpConfigureRMS` function (see fpConfigureRMS()). This function allows the Filter and File Extraction API functions to operate on the protected data of the file.

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