Be able to add a "Full Name" field with a specific button.
Being able to highlight the first and last name column and click "Add Full Name"
Kenneth Barber commented
The problem with a "full name" button is that there are multiple ways of showing a full name. For example, for me, you can have "Kenneth Barber" or "Barber, Kenneth". Besides, the formulas to derive these are fairly straightforward. If A1 contains the first name and B1 contains the last name, then the formulas are:
Thomas K missed the space in his formula.
Thomas K commented
build a formula where you use & when referencing the cell for first and last name
='first name' & 'lastname'