I wrote this so we could have users at work run it and automatically compress their PST's. Depending on the size, it could take several hours! #include <GUIListView.au3> ;~ BlockInput(1) SplashTextOn("Compacting now", "This may take hours...", 250, 40) ;//Runs the mail application that is in control panel. $Path = FileGetShortName(@CommonFilesDir & "\System\MSMAPI\1033\MLCFG32.CPL") Run(@SystemDir & "\control.exe " & $Path) WinWait("Mail Setup", "", 3) ControlClick("M