Macro Help - delete columns, remove duplicates, formatting

Hi All,

:tape2:Im struggling with this, any ideas will be much appreciated.


I have a table A1 to M500.
I need to
switch columns L and M values
Then
delebte columns B, C and I
Then
replace duplicate values with blanks apart from the first instance in columns A then B then C.
Then
resize all columns to fit word legnth and apply all boarders to the table with a font of 16 through out.

Thanks in advance
​