Find duplicate values across multiple columns and multiple rows

Preccor

New Member
Joined
Jul 11, 2019
Messages
12
Hello,

Is there a formula to find duplicate values across multiple columns and multiple rows? The file contains 9 columns and 5600 rows. The columns consist of phone numbers. The rows are the contact names labeled as "ID". I would like to find all duplicates so that I can clean up a database.

MrExcel HelpQuestion.xlsx
ABCDEFGHIJ
1IDMobile PhoneHome PhoneExtra Phone Numbers - 1Extra Phone Numbers - 2Extra Phone Numbers - 3Extra Phone Numbers - 4Extra Phone Numbers - 5Extra Phone Numbers - 6Business Phone
21425-213-9912425-236-0520425-213-9912425-823-7397
32206-890-4911206-526-8405425-236-0520
43425-236-0520
54206-753-8392206-542-1521425-213-9912206-890-4911206-753-8392
Sheet1
 

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KRice

Well-known Member
Joined
Dec 9, 2003
Messages
1,134
Office Version
  1. 2019
Platform
  1. Windows
If you are planning to just clean up the records, have you considered using Conditional Formatting to highlight duplicates? You can then scroll through the file and decide how to resolve the duplicates on a case-by-case basis. From the Home main menu...Conditional Formatting > Highlight Cell Rules > Duplicate Values would produce something like this...
MrExcel20210308.xlsx
ABCDEFGHIJ
1IDMobile PhoneHome PhoneExtra Phone Numbers - 1Extra Phone Numbers - 2Extra Phone Numbers - 3Extra Phone Numbers - 4Extra Phone Numbers - 5Extra Phone Numbers - 6Business Phone
21425-213-9912425-236-0520425-213-9912425-823-7397
32206-890-4911206-526-8405425-236-0520
43425-236-0520
54206-753-8392206-542-1521425-213-9912206-890-4911206-753-8392
Sheet3
Cells with Conditional Formatting
CellConditionCell FormatStop If True
A1:J5Cell ValueduplicatestextNO
 

Preccor

New Member
Joined
Jul 11, 2019
Messages
12
Highlight and sift through case by case is the best solution to avoid compromising the data. Thank you. Greatly appreciated.
 

KRice

Well-known Member
Joined
Dec 9, 2003
Messages
1,134
Office Version
  1. 2019
Platform
  1. Windows
I'm happy to help...and good luck! I don't envy your task...sifting through 5600 rows might be a challenge.
 

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