You are downloading the Private Messaging XAP file v22.214.171.124 for Windows Phone. Private Messaging is a free and useful Productivity app: Update : Help page more visibleEver wanted to send private SMS ? Secret SMS allows you to crypt SMS you send to people, ensuring that only ... You can now download the offline XAP file to install & try it.
Download Locations for Private Messaging 126.96.36.199 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Private Messaging XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.