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This report is not limited in its output nor the information you can request however sometimes it will not work because you have simply asked for too much data at one time.
If you only specify a customer/site then start the date range from one week upwardsselect a single day, smaller customers you may manage three months, larger customers maybe only one week .or more at a time
If you specify customer/site & product then you are generally safe to start at 3 months and request a month at a time and for some low volume products you may be able to get upto 3 years' worth of data.
The limits on this are SQL server memory and the output to CSV abilities.
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