Outlook is an great email client while sometimes user might face an "Not implemented" Error in their Outlook application which troubles them to reply/send and recieve emails.
Causes of this error:
1. Outlook not installed properly
2. faulty add-ins
3. Antivirus
4. windows update
There are some ways to fix this error that Outlook user can try in their application.
Here's the complete guide to Fix not implemented error in MS outlook
Get more information: http://www.datarecovo.com/