change the format of cell

[Exceller]

I have uploaded an excell spreadsheet and seem that all cells are text
formatted.
I can`t change to fromat of cell to number.
"Format cell" dosen`t working or change anything.

 

[Ron Rosenfeld]

I have uploaded an excell spreadsheet and seem that all cells are text
formatted.
I can`t change to fromat of cell to number.
"Format cell" dosen`t working or change anything.

Changing the format will not do that.

You need to coerce these values to numbers by performing a math operation.

One method, after formatting the cells as General or Number:

Select and copy a blank cell.

Select the data.
Edit/Paste-Special/Add

--ron