Storing of amplitude measurement express data into excel

[riie]

Any guide or example that I can refer to in reading file, append columnand write file to achieve the below 

Existing spreadsheet:

Column 1

1

2

3

New spreadsheet:

Column 1         Column 2

1                      1

2                      2

3                      3

[Dennis_Knutson]

The Read From Spreadsheet and Write to Spreadsheet is what you need. The read returns a 2D array that you can append a new column to.