| Using SAS Engines |
The V9, V8, and V7 engines support files with the following member types:
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| Difference between SAS 9 and Previous Releases |
The V9 engine differs slightly from previous SAS engines. These engines support long format and informat names. For more information about compatibility between releases, see SAS Language Reference: Concepts.
Note: Starting in SAS 9, SAS is a 64-bit application.
Previous releases of SAS have been 32-bit. Consequently, the V9 engine cannot
read the 32-bit SAS files (excluding files of member type DATA) that were
created in previous versions of SAS. For more information, see Compatibility of Existing SAS Files with SAS 9.2. ![[cautionend]](../../../../common/63294/HTML/default/images/cautend.gif)
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