To configure TMCAS to block files by file name, do the following:

1. Login to the TMCAS admin console .
2. Go to ATP Policy > File Blocking Policy.
3. Tick File name to block.
4. Enter the file name in the Add file name box.
    

   TMCAS will match the full file name, including the extension name, to block the file. To block an excel file named "test", the file name should be entered as "test.xlsx" or "test.*".
5. Click the Add button. The file name will now be added to the list.