Why Does Conditional Formatting Freeze Excel?

Dazzawm

Well-known Member
Joined
Jan 24, 2011
Messages
3,409
Office Version
  1. 2016
Platform
  1. Windows
I have used conditional formatting to highlight duplicate values on a sheet. It only consists of 600 rows by 7 columns but whenever I try to scroll etc excel freezes for quite a time. Why is this, how can it be avoided please? Thanks.
 

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jkpieterse

Well-known Member
Joined
Dec 3, 2007
Messages
1,080
There must be something else at play, if I create a sheet with just 600x7 cells with a CF for duplicates it scrolls just fine. A bit slower than without, but that is to be expected.
 

Dazzawm

Well-known Member
Joined
Jan 24, 2011
Messages
3,409
Office Version
  1. 2016
Platform
  1. Windows
I copied all the data to a fresh sheet and it does not appear to be as bad. Thanks.
 

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