: This feature was introduced to help users moving from 32-bit to 64-bit platforms, allowing them to read and process data files created on different hosts without manual conversion . The "Portable" Concept
SAS 9.1.3 was one of the first versions to offer native support for 64-bit hardware, though with specific constraints: Itanium Support : A dedicated 64-bit version was developed specifically for Microsoft Windows on Itanium-based systems x64 Workarounds sas 91 3 portable 64 bit