Send responses to a new spreadsheet by clicking More on the Responses tab in Forms, and then selecting response destination.
Choose Make a new spreadsheet. (Optional) Enter a new name to replace the current one. Click the Create button.
Click select an existing spreadsheet. Select your spreadsheet by clicking the Select button.
To open your spreadsheet from Forms, click View responses in Sheets next to More. The spreadsheet is displayed in a new window. Return to Forms by clicking Form and then Show summary of responses, or by returning to the Forms window.
Stop submitting responses to spreadsheets:
On the Responses tab in Forms, click More and then Unlink form.
To confirm, click Unlink.