How to automatically populate a cell?

[RW]

Is there a way to automatically populate a cell with the same data that is
entered into a different cell?

Say for example I have a 20 column wide spreadsheet. When I enter data into
the cell at row 1, column 'A', I want that data to automatically be entered
into the cell at row 1, column 'T'.

Can this be done? Can I link entire columns?

 

[Khoshravan]

As for your specific request, go to T1 enter"=" and click "A1".
This way upon entering a data into A1, it will be automatically entered to
T1 as well. If you want to repeat it for other rows in column T, drag the T1
up to desired row.
Is this you question?

 

[RW]

Thanks! That worked great for one cell but you lost me when you said "drag
the T1 up to desired row". Will you explain that again please?

 

[RW]

Never mind Khoshravan. I figured it out. Thanks again!

 

[Khoshravan]

Glad to hear that you find the reply yourself. Dragging the left-bottom point
of a cell, is a method to copy the embeded formula across the column or raw.
You should know about relative and absolute reference method, uopn using this
method.