How to randomize a list in excel without duplicates

Answer

To randomize a list in Excel without duplicates, follow these steps:

1. Insert a helper column
   Place a blank column next to your list. This column will generate random numbers that will determine the order of your list.

2. Generate random numbers
   In the first cell of the helper column, enter the formula:

   =RAND()

   This formula generates a random decimal number between 0 and 1.

3. Copy the formula down
   Drag the fill handle down to apply the formula to all cells corresponding to your list. Each cell now contains a unique random number.

4. Sort the list by the helper column

   1. Select both your original list and the helper column.

   2. Go to the Data tab and click Sort.

   3. Sort by the helper column in Ascending or Descending order.
      The original list will now be randomized.

5. Remove the helper column
   After sorting, you can delete the helper column. The list remains randomized and contains no duplicates, assuming your original list had unique entries.

Notes

• Using RAND() recalculates every time the sheet changes. To fix the randomized order permanently, copy the randomized list and paste it as values.

• This method works for any version of Excel on Windows and Mac. On Mac, the steps and formula are identical.

This approach ensures each item in your list retains uniqueness while achieving a random order.

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