Calculate age and update it in excel

Hi, I have to take dob from excel and calculate the age from dob and update the age in excel then create new column in excel as “Range” and update the Range column as age is in which range. ex “0-20”

Not sure what your question is, but here are some sources for all 3:

Calculate age: Excel get or calculate age from birth date (extendoffice.com)

Display range: Excel formula: If else | Exceljet

Add column: Adding Columns to a datatable - Help - UiPath Community Forum