Duplicates can be cell duplicates, row duplicates. If you are looking at
values within a cell from find window (Ctrl+F) > 'Find All' will display all
the instances of a the search string.
Mukesh, Suppose you want to find the number of instances of a text say
"Mukesh" across columns A:B in the entire workbooks with Sheet names 'Sheet1'
'sheet2' and 'Sheet3', try the below