Is it possible to capture original attributes from mp3s, mp4s, and other video and audio file formats? Specifically looking to capture video or audio length automatically. I assume this would require vbscript for the specified file formats but wanted to se

You are correct, this requires some custom extension as there are no such built-in options. However I would recommend using the Vault Application Framework instead of trying to achieve this with VBScript. With VAF you can utilize third-party libraries which should make extracting such information out of media files much easier.