I have a large data set that i have setup with the following formulae: SUMPRODUCT(--('2015'!$B$25:$B$13771&'2015'!$D$25:$D$13771=Master!$A30&Master!$B30),INDEX('2015'!$F$25:$Q$13771,,MATCH(Master!J$4,'2015'!$F$22:$Q$22,0))).
The sheet is become very slow and i was wondering if i can embed the...