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The following is a list of all the printable user guides available for Flex. You can download any user guide into PDF format by clicking the guide name below.
| Version | Release Date | Download |
| 2019 | June 2019 | v2019_Flex_UserGuide_Rev1 |
| 24 | August 2018 | v24_Flex_UserGuide_Rev1 |
| 22 | November 2017 | v22_Flex_UserGuide_Rev4 |
| 21 | October 2016 | Confirmit_Flex_C21_Rev1 |
| 20 | June 2016 | v20_Flex_UserGuide_Rev1 |
| 19 | May 2016 | v19_Flex_UserGuide_Rev2 |
| 18 | Mar 2014 | Confirmit_Flex_C18_Rev1 |
| 17.5 | June 2013 | Confirmit_Flex_C175_Rev3 |
| 17 | July 2012 | Confirmit_Flex_C17_Rev2 |
| 16 | April 11 | Confirmit_Flex_C16_Rev2 |
| 15 | November 2010 | Confirmit_Flex_C15_Rev5 |
| 14 | November 2009 | Confirmit_Flex_C14_Rev2 |