#include <Excel.au3> $Log= @ScriptDir & "\log.xlsx" ; containing 620 (sometimes more, sometimes less) ip entries from A2 to A621 $oExcel_log= _ExcelBookOpen($Log, 0) ; open excel file as not visible $aArray_log = _ExcelReadSheetToArray($oExcel_log, 1, 1, 0, 1) ; create a 2D array from the A column $Max_log = $aArray_log[0][0] ; read how many rows are in column A MsgBox(16, "Max_log", $Max_log) ; info msg with number of rows $Geo= @ScriptDir & "\geo.xlsx" ; containing 178546 entr