I recently changed my spreadsheet from vlookup to Index/Match. I have approximately 2000 rows by 300 columns which all require in vary degrees use of the index/match formula, for example:
=IFERROR(INDEX(Orders!$S$1:$S$9999,MATCH(CT$3&$B4&$C4,Orders!$A$1:$A$9999,0)),0)
Currently the spreadsheet...