Generally, whether or not you are operating in Ragic, browsers do not support opening local file paths.
However, if you want users to be able to click a local file path URL stored in a field to open a file on their computer, they will need to install a browser extension that enables this functionality. Once the extension is installed, you can store a file:// path URL in the field (e.g., file:///D:/_test/A/System_Implementation_Plan.docx), allowing users with the extension to open the file directly.
For example, here is the link to a related Chrome extension: Enable Local File Links