sumif for multiple columns

[Byron]

Hi

I am using the following formula to try sumif on multiple columns, its not
working.

Help Please

=SUMIF('Sep Rev OR Raw'!A:A,'IP Revenue '!A:A,'Sep Rev OR Raw'!P:X)

Thanks

 

[Mike H]

Byron,

It's hard to understand what your trying to do perhaps you could explain and
post some sample data.

Mike