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index match formula slowing down excel. INDEXB2B5 2 column_num. The delay to open these as the same file was nearly a minute and the entire program lagged like hell but the two file arrangement runs.
My reference document with all of my date information is 54000 rows and the document Im trying to match to and pull the dates into is 25000 rows and goes out to column CH. And then INDEX use that number to figure out the position of the cell from the value column. VLOOKUP CHOOSE took 3438 seconds which is over 17 times slower.
And then INDEX use that number to figure out the position of the cell from the value column.
The CHOOSE function is slowing things down. It was approx 4 to 5 secs originally but have got it down to 2 secs. The result is an INDEX MATCH formula. I started running the formula and after an hour I was at 7.