|Excel Developer Reference|
Workbook-level attribute settings override application-level attribute settings. Workbook-level attributes are contained in the WebOptions object.
|Attribute values can be different from one workbook to another, depending on the attribute value at the time the workbook was saved.|
Use the DefaultWebOptions property to return the DefaultWebOptions object. The following example checks to see whether PNG (Portable Network Graphics) is allowed as an image format and sets the strImageFileType variable accordingly.
|Visual Basic for Applications|