Brother MFC-8820DN - Manual (Page 287)

USING BROTHER PC-FAX SOFTWARE 17 - 13
5
Type the name of the file, and then select Open.
Setting up a Cover Page
From the PC-FAX dialog box click to access the PC-Fax Cover
page setup screen. (See Sending a file as a PC-FAX using the
Facsimile style on page 17-15.)
The Brother PC-FAX Cover Page Setup dialog box will appear:
If you selected a text file in Step 1, the Files of type: will be
Text file (*.csv).