Hi again,
Open the Book2 you posted here, and select Cell A1 on Sheet1.
Then open the Name Manager and select the Name "Validation_List".
The RefersTo box will contain the reference =OFFSET(Sheet1!B1,,,COUNTIF(Sheet1!$M$2:B199,"?*"))
Click anywhere inside the above text, and the range of personnel names (B1:B59) will be highlighted - this includes the header cell B1.
HOWEVER - if you select any cell other than A1 and perform the above steps, the highlighted range will be different. This is why it is so important to use absolute references here. There are times when relative references must be used (e.g. defined name formulas), but this is not one of those times!
In fact, the following is a better definition for the dynamic Named Range of personnel:
This will allow you include up to 100 personnel names in the range / dropdown list, and excludes the header cell.
I'm attaching the latest versions of the workbooks.
As always, please let me know how you get on.
Regards,
Greg M
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