
This Excel tutorial explains how to delete duplicated data in consecutive rows (delete the value, not delete row).
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Remove duplicates in text
Excel delete duplicated data in consecutive rows
In conventional Pivot Table layout (Tabular), all data are grouped together and duplicated data would not repeat.
Division
Department
Div1
Dept1
Div2
Dept2
Dept3
Dept4
Div3
Dept5
Dept6
...
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