If you have Kutools for Excel, you can combine its Split Cells and Select Duplicate & Unique Cells utilities.Īfter free installing Kutools for Excel, please do as below:ġ. Tip: in above formulas, A2 is the first IP address, and 9 is the first 9 characters you want to compare, you can change as you want.įind partial duplicates with Kutools for Excel Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. Then the result 2 (or other number bigger than 1) indicates the relative IP address are duplicates, 1 indicates unique. Then go to next cell beside the formula1, C2 for instance, enter this formula =COUNTIF(B:B,B2), and drag fill handle over the cells you want. Select a blank cell next to the IP, B2 for instance, and enter this formula =LEFT(A2,9), drag auto fill handle down to apply this formula to the cells you need. To find partial duplicates from a column, you can do as below:ġ. How can you quickly find these partial duplicates without comparing one by one in Excel?įind partial duplicates with Kutools for Excel Supposing there is a list of IP addresses in your sheet, and some of addresses are duplicate in first three numbers, here the job is to find the duplicates IP addresses which are only different in the last number as below screenshot shown.