=IF('C:\@bb\[ControlActivitiesImport.xls]ControlActivities'!D982="","",'C:\@bb\[ControlActivitiesImport.xls]ControlActivities'!D982)

I fully understand the formula itself, but the @bb that shows up is what confuses me. This is on a form that is on a shared drive. It is not a form that I created. Not sure WHY a form on a shared drive would reference a link to a form on a C:\ drive, so I was wondering if the @bb was something special that did some kind of wizardry unknown to me, lol.