Publishing Items to Excel Services in MS Excel
To publish your Microsoft Office Excel spreadsheets (or single items) to Microsoft Office SharePoint Server 2007:
1. With your spreadsheet open, click the Office button, and then click Publish.
2. Click Excel Services.
3. In the dialog box, select a trusted document library location in Office SharePoint Server 2007, and then click Excel Services Options.
4. Select whether you want to publish the entire spreadsheet, individual worksheets, or only selected items (such as charts, tables, or Microsoft PivotTable dynamic views). Click OK.
Your spreadsheet will be saved to the document library, and only your published items will be visible through the Web browser interface