Click the Office button, point to Prepare, and then click Properties.

Click the arrow next to Document Properties, and then click Advanced Properties.
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Find out file location or size.
Add title and author information for the workbook.
Display the number of slides, paragraphs, words and other details about the workbook.
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Click the Custom tab.
Type the name for the custom property or select a name from the list.
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Select the data type for the property.
Type a value for the property.
