MY SHEET AT EXCEL ARE NOT LET ME TO CONFIGURE FOR DATE

[Flavio Innocentini]

See the image bellow.

This table was working correct, but some how it changed alone and the cell is not showing the same is at the fx field . 

Anybody can tell me how I solve this.

Tks

[#2]

Hi

Try F2 and ENTER.

[#3]

when I do F2, it's shows right at "viewer", when I do enter, come back to same.

[#4]

Could you provide a workbook witch contains the problem?