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Old 02-19-2014, 11:15 AM
JulieS JulieS is offline Windows 7 64bit Office 2013
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Join Date: Dec 2011
Location: New England
Posts: 1,693
JulieS will become famous soon enough
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Add a spare Duration column (Duration1 for example). Right click on the column heading and choose Custom Fields. Click the Formula button and enter the formula below:

ProjDateDiff([Finish],[Project Finish])
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