VBA vs. Conditional Formatting

LCTrucido

Board Regular
Joined
Apr 29, 2011
Messages
88
Hello All,

I have a spreadsheet with almost 10,000 entries, and more are added daily. I'm currently using conditional formatting in columns A and B to check for duplicates and highlight them. The columns have separate sets of data and must be checked independently. I have data in columns A - K but only A and B need to be checked.

This spreadsheet is understandably very slow to respond to any input so my question is this: would using a macro to highlight these same duplicates help reduce the lag I'm experiencing, and if so, does anyone feel like helping a total VBA n00b with the macro?
 

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