tnef command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

tnef: command not found

or when using sudo you get the following error message

sudo: tnef: command not found

Solutions to tnef: command not found

How To Fix tnef: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu tnef is provided by tnef package.

tnef is:

TNEF is a program for unpacking MIME attachments of type “application/ms-tnef”. This is typically a Microsoft only attachment.

The TNEF program allows one to unpack the attachments which were encapsulated into the TNEF attachment, thus alleviating the need to use Microsoft Outlook to view the attachment.

To fix this problem, we can install more using the command below.

sudo apt-get -y install tnef

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install tnef.

sudo apt -y install tnef

Or if you have aptitude installed you can use the following command.

sudo aptitude install tnef

Summary

In this tutorial we learn how to fix tnef command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.