On the Details tab of the More Information screen, you can view version and retention policy information.
To access the More Information screen, see Viewing File and Folder Information in Android.
A version is a modified copy of a file. Versions can be viewed, but not managed in Android. However, they can be managed in the user portal.
See View Previous Versions Of Files for information about managing versions in the user portal.
A retention policy places restrictions on the way a file or folder can be handled. Retention policies can be viewed in Android, but can only be modified in the admin portal.
See Retention Policies for more information.