#include <MsgBoxConstants.au3>
#include <Excel.au3>
#include <File.au3>
#include <Array.au3>
Dim $aArray[20]
Local $oExcel = _Excel_Open()
Global $sWorkbook = @ScriptDir & "C:\Users\SpreadsheetTest.xlsx"
Global $oWorkbook = _Excel_BookOpen($oExcel, $sWorkbook)

$aArray = _Excel_RangeRead($oWorkbook, Default, "A:J")
For $i = 0 to UBound($aArray) -1
    MsgBox($MB_SYSTEMMODAL, "Test", $aArray[$i])
Next