Ungroup worksheets in Excel 2007

After grouping worksheets, you can ungroup few or all the worksheets by performing one of the following:
Ungroup few worksheets: Press the CTRL key. Keeping the CTRL key in pressed state, from the sheet tab area click the worksheet that you need to ungroup. If clicking the worksheets by holding the CTRL key, you can ungroup multiple worksheets.
Ungroup all worksheets: Right click any worksheet on the sheet tab area and click Ungroup Sheets.