Tech-Knowledgy Services® has partnered with SOS Online Backup to resell this amazing, award winning solution at a reduced rate. TK DocuStore™ is simply a rebranded application providing exactly the same features and functionality as the original SOS Online Backup. This page offers video clips as seen on YouTube, a Vulnerability Scanner and a download link for TK DocuStore, powered by SOS. The only difference between SOS and TK DocuStore is the discounted price. Please contact sales@tkdocustore.com for additional volume discounts > 500GB.