Using ZipWORX Outlook Companion v2.1 and sending email attachments with Outlook allows users to compress their email attachments and minimize bandwidth encrypt email attachments and secure your transfer The intended audience for ZipWORX Outlook Companion v2.1 are users of Microsoft Outlook 2000/XP/2003 that are in need of software to increase their Email Security level and also to minimize their Bandwidth needs by reducing redundant information ZipWORX Outlook Companion allows the use of ZIP Compatible Encryption or Use AES Strong Encryption with 256 bits and also, creating a single ZIP file to comprise all attached files or the creation of a single ZIP file for each of the attached files