Using Google Spreadsheets

You can, however, save a copy of any spreadsheet under a different name. You might want to do this if you want to keep different versions of a spreadsheet, for whatever reason.

To save a copy of a spreadsheet under a different name, follow these steps:

This closes the current spreadsheet and displays the newly saved spreadsheet in the current browser window. Any further editing you do is to the new spreadsheetuntil you reopen the original file, of course.