If not, your transmission attempt will likely be rejected.
The specific steps you better follow will vary slightly depending on the fax service you use.
Multiple formats are supported, includingDOC,JPG,PDF, andTXT, among others.

Lifewire / Daniel Fishel
Most fax services allow multiple attachments, the contents of which are often combined when the fax is sent.
Once you’re satisfied with both your cover letter and attachment(s), hit theSendbutton.
Your fax should be transmitted instantly, although the speed is somewhat dependent on the third-party provider.

Confirmation of this fax transmission is typically available within your fax service’s user interface.
These requirements typically vary from provider to provider.
