Sending a report to Excel results in the information getting to Excel but the formatting is not preserved. You should only send the data to Excel if you need to perform some kind of manipulation on it. If all you are doing is keeping an electronic copy of the posting journal for archival purposes, then you don't need any of what Excel has to offer, so it is the wrong tool to use. You are much better off using a PDF printer for this purpose.
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Andrew Bates