Currently AT2Sage is compatible with the following editions of Sage Accounts 50 (UK and Ireland):
- Sage 50 Accounts Version 2011
- Sage 50 Accounts Version 2012
- Sage 50 Accounts Version 2013
- Sage 50 Accounts Version 2014
- Sage 50 Accounts Version 21 (2015)
- Sage 50 Accounts Version 22 (2016)
- Sage 50 Accounts Version 23 (2017)
- Sage 50 Accounts Version 24 (2018)
- Sage 50 Accounts Version 25 (2019)
- Sage 50 Accounts Version 26 (2020)
- Sage 50 Accounts Version 27 (2021)
- Sage 50 Accounts Version 28 (2022)
- Sage 50 Accounts Version 29 (2023)