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- add a page to your wiki using the Add menu
- save the page
- add an attachment to that page via the Add menu
- click the Insert/Edit Macro icon in the toolbarÂ
- Type "excel" into the search box of the Select Macro window and press enter
- Click the Office Excel item
- You'll see a dialog box come up (see screenshot in the right column). Select the spreadsheet you attached from the File Name popup menu
- Optionally, if you'd like to show a specific worksheet or row/column range, specify those values in the provided fields
- Click Insert and then save your page
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