Convert single selection field to multi selection field

[astrugatch]

In case anyone is seeing this after the fact. I did actually find that reference in the docs and created the following feature request:

Convert single select objects to multi select

I would like to the ability to convert different types of “select” objects. Particularly single to multi. Much of the user base of Zammad have been using it from 4.x and earlier so we have many objects that would benefit from being multi select but have made due with single select. Now that multiselect is available converting those objects to multi select would be incredibly beneficial. It means that historic data is not lost for that object (which would somewhat be the case in making a new obj…