excel nao abre

# In the Open box, type regedit, and then click OK.
# Locate the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Office\9.0
# Right-click the Excel key, and then click Rename.
# Type OldExcel.
# Locate the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Office\9.0
# Right-click the Excel key, and then click Rename.
# Type OldExcel.
# On the Registry menu, click Exit to quit Registry Editor.
# Start Excel, and then quit Excel.
# Double-click the Excel workbook icon (or right-click the Excel workbook icon, and then click Open) to open the file.
# In the Open With dialog box, click Microsoft Excel for Windows, and then click OK.