Different letter, email, and fax

1.       Letter

·         Usually written to just one person.

·         Usually external.

·         More formal.

·         More appropriate as an official record.

·         Have an original signature.

2.       Email

·         Can be sent to many people.

·         Very informal.

·         Can be linked to internet services.

3.       Fax

·         Usually external.

·         Lot quicker than posting.

·         Usually used to confirm or arrange.