If it is word doc then you can follow below steps:
First Read the Data from Your Excel file by using “Excel application Scope”
Use Read Range Activity inside Excel application scope and pass the sheet name to read the data of that sheet and it will return a datatable as an output.Assign it to an output variable of datatable.
Then either use “For Each Row” Activity or “For-Each”(with type argument " System.Data.DataRow").
use the data as per your need. ( if still not aware then see many examples are available on forum already and official site too. You can Take online training first, which is free from UiPath RPA Academy).