What is a .TNEF File And How To Open It – Microsoft (Visual Guide)

Table of Contents

Introduction

Have you came across a file with the .tnef extension and you don’t know what it is? Perhaps you know what the file is, but you simply don’t know how to open it. Fear not, in this article we will show you how to easily open the .tnef file in few simple steps on various systems.

What is a .TNEF file?

The .TNEF file extension comes from Transport Neutral Encapsulation Format. This file extension belongs to the developer Microsoft. The file is a miscellaneous file.

What to know

There are currently 2 software that can open the .tnef file on 2 platforms.

How to open a .TNEF file?

Below we have written a comprehensive guide on how to open the .TNEF file on various operating systems.

How to open a .TNEF file on Windows (7, 8, 10)

The .tnef file can be opened in 4 steps on Windows.

1. In the first step you need to download the Microsoft Outlook 365 software. This software will be used for opening the file. Other software that can be used in opening this file is: Microsoft Outlook 365.

Step 2

Step 2: Locating your .TNEF file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Microsoft Outlook 365 software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

How to open a .TNEF file on Mac

We have written below an easy-to-understand guide on how to open the .tnef file on Mac in 4 easy steps.

1. The first step is to download the Microsoft Outlook 365 software. This software will be used for opening the file. Other software that can be used in opening this file is: Apple Mail and Microsoft Outlook 365.

Step 2

Step 2: Finding your .TNEF file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Clicking “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the Microsoft Outlook 365 software that you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Mac.

Still cannot open the .TNEF file?

If you cannot open the .TNEF file, it is entirely possible that you are trying to open the wrong file. The .TNEF file extension is similar to other file extensions such as: .tns – Texas Instruments, .tnsp – Texas Instruments, .tny – Atari, .toast – Roxio, .toc – PSP Audio File. You might be trying to open one of them. Please recheck the file extension again.

Conclusion

In this article you have learned how to open the .TNEF file with the Microsoft Outlook 365 program on Windows and Microsoft Outlook 365, Apple Mail programs on Mac.