- Written communication provides evidence which may not be there in verbal communication
- Written information can be stored for future reference unlike verbal which cannot be stored and depends on the recipients memory
- It is not prone to distortions and therefore more accurate than verbal communication
- Written communication can be in form of diagrams, illustration and maps which is not possible for verbal communication
- Some written communication such as letters would be cheaper and time saving than verbal communication, for example making long telephone calls.
- Written communication can be used for confidential messages, for example registered mails.