You can export form submissions to a .csv (Comma Separated Values) file, which can be opened with Excel.
In the Editor, click on the form element and click on the Submissions button on the gray toolbar.
Click on Export to download the form submissions.
Open the file in Excel. If the data is not displayed neatly in columns, continue to step 4.
Open a blank workbook in Excel and go to the Data tab.
In the Get & Transform Data section of the ribbon, click on From Text/CSV.
In the Import Data window, navigate to and select the file you downloaded in step 2 and click on Import.
In the drop-down menu under Delimiter, choose Comma, then click on Load.