OriginalPostID-118213
Discussion posts and replies are publicly visible
(1) Export an application from your environment (2) Download the .zip file (3) Open the .zip file (so that you can see the file structure) (4) Open the folder META_INF (5) Open the file MANIFEST.MF The Appian version will be listed in this document (e.g. Appian-Version: 17.4.29.0)
A similar question was asked and answered here: https://community.appian.com/discussions/f/general/9946/how-to-get-current-version-of-appian