If your question is about Microsoft Office Excel 2007 or another Microsoft software product, and you cannot find the answer in the product’s Help, please search the appropriate product solution center or the Microsoft Knowledge Base at:
support.microsoft.com
In the United States, Microsoft software product support issues not covered by the Microsoft Knowledge Base are addressed by Microsoft Product Support Services. Location-specific software support options are available from:
support.microsoft.com/gp/selfoverview/