![]() ![]() Select the range A2 through the last value in column A.Follow these steps, again assuming that your values start in cell A1: =IF(A2=A1,"Duplicate",IF(A2A1+1,"Gap",""))Īnother approach is to use conditional formatting on the cells in column A. If you prefer to know a bit more about the error, you could use a more detailed formula: Assuming your numbers start in cell A1, I put this into cell B2:Ĭopy the formula down as many cells as necessary, and you'll easily see the word "Error" next to any value that isn't consecutive to the value just above it. The first is one I use quite often: I add a helper column next to column A. There are a number of ways you can go about figuring out where there are missing numbers. Examining the list manually is both tedious and error-prone, so Marcya wonders if there is a way to somehow highlight any "missed numbers" (those that aren't consecutive with the one before) or to compile a list of numbers that were missed in the list. These numbers are supposedly consecutive, but she doesn't know if that is true. To explore more features of Kutools for Excel, visit the full features page.Marcya has a long list of sorted numbers in column A of a worksheet. ) | 7 Merge & Split Tools ( Advanced Combine Rows, Split Cells. ) | 12 Conversion Tools ( Numbers to Words, Currency Conversion. ![]() ) | 19 Insertion Tools ( Insert QR Code, Insert Picture from Path. ) | 40+ Practical Formulas ( Calculate age based on birthday. Top 15 Toolset: 12 Text Tools ( Add Text, Remove Characters. Super Lookup: Multiple Criteria VLookup | Multiple Value VLookup | VLookup Across Multiple Sheets | Fuzzy Lookup .Īdvanced Drop-down List: Quickly Create Drop Down List | Dependent Drop Down List | Multi-select Drop Down List .Ĭolumn Manager: Add a Specific Number of Columns | Move Columns | Unhide Columns | Compare Columns to Select Same & Different Cells .įeatured Features: Grid Focus | Design View | Big Formula Bar | Workbook & Sheet Manager | Resource Library (Auto Text) | Date Picker | Combine Worksheets | Encrypt/Decrypt Cells | Send Emails by List | Super Filter | Special Filter (filter bold/italic/strikethrough.) . Popular Features: Find/Highlight/Identify Duplicates | Delete Blank Rows | Combine Rows, Columns or Cells without Losing Data | Cell Lock View | Round without Formula . ![]() Kutools for Excel – 300+ Handy Features to Solve Most Excel Problems and Increase Productivity by 80%! It’s full function without limitation in 30 days, please download and have a free trial now. Tip.If you want to quickly select and count the duplicates or unique values in a list, please try to use the Kutools for Excel’s Select Duplicate & Unique Cells as shown in the following screenshot. Note: in the formula, A1 and A2 is the first two values in the list you want to count consecutive duplicates, B1 is the cell you enter number 1 in the first step, you can change them as you need. In the next cell below 1, B2 for instance, enter this formula =IF(A2=A1,B1+1,1), then drag autofill handle down to the cells to apply this formula. Select an adjacent cell, B1 for instance, enter 1. To count consecutive duplicates, just need to apply a simple formula.ġ. To count the duplicates in an Excel column may be easy for you, but have you ever tried to count the consecutive duplicates yet? In other words, it will count continuous duplicates and recount it from 1 if there is a break between the duplicates as below screenshot shown.Ĭount consecutive duplicates with formula How to count consecutive duplicates in Excel?
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