Yes, you can and it's easily done!

  1. Download the Say I do excel template. 
  2. In a Google Docs spreadsheet click "File" and then select "Open"
  3. A pop-up will open, from there select "Upload"
  4. Find the Say I do template you just downloaded
  5. Fill out the spreadsheet
  6. When finished click on "File" and select "Download as"
  7. Download the file as "Microsoft Excel (.xlsx format)"

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