How to open .ms-tnef file format?

The probably reason why you are at this website is a problem with opening .ms-tnef file. The full name of the file is MS Transport Neutral Encapsulation Format. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is Microsoft.

.ms-tnef file extension (MS Transport Neutral Encapsulation Format)

Category Developer/Producer File description Popularity
Misc Files Microsoft MS Transport Neutral Encapsulation Format
Programs using this file extension: .ms-tnef
ADS OS Software
  • Microsoft Outlook 2013
  • Microsoft Outlook Express
  • Apple Mail
  • Microsoft Outlook 2011

The file extension .ms-tnef can be used by another programs. If you have some useful information about .ms-tnef file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .ms-tnef file?
  • How to open .ms-tnef file?
  • What is .ms-tnef file?
  • How can I convert .ms-tnef file?
  • Where can I find informations about .ms-tnef file extension?
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .ms-tnef extension on or