You will need to have the Show Row Indicator ticked. To do this:
From the Ribbon, click Options.
Click User Preferences and then click Grid View Styles.
Click Show Row Indicator then click Save and Close.
Field Chooser Options Missing
This article explains what to do if a user is not able to find the Field Chooser option on table column headings.
Written by Terence Cassidy
Updated over 2 months ago