What is a sdx file and how do I open a sdx file?
SDX is a file used by Kivuto Solutions Secure Download Manager, a program for downloading files from web stores. It saves information needed to download a purchased item, but does not contain the actual purchased item. An SDX file is downloaded from a web store when an item is purchased and downloaded. When the file is opened, SDM begins downloading the purchased item. Secure Download Manager integrates with Mac and Windows browsers.
Relevant sdx file links:How to open sdx file on Youtube
How to open sdx file on Wikipedia
How to open sdx file on Microsoft.com