How can I formate textboxes with points?

[#1]

Hello together,

I need your helping hand.

I have a textbox with the figure 123456

and would have a figure like this 123.456.

How can I get this point in the figure.

I hope, you can help me.

Thank you.

Jörn

[Gysbert_Wassenaar · Accepted solution]

=num(123456,'0.000',',','.')