An ms-tnef file extension is mainly associated with the Microsoft Transport Neutral Encapsulation Format used by e-mail clients.

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Software that works with ms-tnef file extension

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MS-TNEF file - Microsoft Transport Neutral Encapsulation Format

What is ms-tnef file? How to open ms-tnef files?

File type specification:

Internet related file type icon Internet related file type

ms-tnef file icon: ms-tnef filetype icon

The ms-tnef file extension is related to the Microsoft Transport Neutral Encapsulation Format.

The Microsoft email clients Exchange and Outlook use the file format called Microsoft Transport Neutral Encapsulation Format (MS-TNEF) to send email messages in Rich Text Format (RTF).

By default, Exchange and Outlook send email messages as if they will be received by other Microsoft email clients, extracting the formatting out of the original document and encoding it into a TNEF block. They then send the message in two parts: the first part is the text, while the second is the formatting.

Updated: May 1, 2018

The default software associated to ms-tnef file type:

Microsoft Outlook icon

Microsoft Corporation logoMicrosoft Outlook  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Outlook is e-mail management tool and personal information manager distributed with Microsoft Office suite. Outlook integrates e-mail application, calendar, task manager, contact manager, note taking in to one application.

Microsoft Outlook is used as a stand-alone application and also can work with Microsoft Exchange Server and SharePoint Server.

The predecessor of Outlook was called Schedule+. The newest version is called Outlook 2016.

Microsoft Outlook Express icon

Microsoft Corporation logoMicrosoft Outlook Express  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Outlook Express is an e-mail client distributed with Internet Explorer from version 4.0 to version 6.0. It is also pre-installed in several versions of Microsoft Windows, from Windows 98 to Windows XP.

Outlook Express is user-friendly and easy to use application, which supports standard POP, IMAP accounts, composing rich HTML e-mails, e-mail encryption, privacy protection, malware protection, e-mail sorting etc.

In Windows Vista is Outlook Express replaced with Windows Mail.

Microsoft Corporation logoMicrosoft Mail  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Mail is old e-mail client for AppleTalk Networks introduced in 1988. It is also working on MS-DOS operating system.

Windows Live Mail icon

Microsoft Corporation logoWindows Live Mail  Microsoft Windows software

Company or developer:
Microsoft Corporation

Windows Live Mail is an e-mail client for Microsoft Windows. It is available in Microsoft Windows Live products. Windows Live Mail is successor for Microsoft Outlook Express and Windows Mail. It is more advanced then its predecessors and takes new features based on Microsoft Outlook. Microsoft Windows Live Mail is available only for Microsoft Windows.

Windows Live Mail will be discontinued in on January 10, 2017!

Help how to open:

Use compatible tools to work with *.ms-tnef files.

How to convert:

Probably can be exported to other formats.

List of software applications associated to the .ms-tnef file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ms-tnef file, edit ms-tnef file, convert ms-tnef file, view ms-tnef file, play ms-tnef file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting ms-tnef files.

  • Import ms-tnef file
  • Export ms-tnef file
  • Others ms-tnef file

Software that import ms-tnef file - Microsoft Transport Neutral Encapsulation Format

Programs supporting the exension ms-tnef on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for import ms-tnef file action.

Microsoft Windows:

Main software associated with ms-tnef file by default:
Microsoft Outlook small icon Microsoft Outlook
Microsoft Outlook Express small icon Microsoft Outlook Express
Microsoft Mail
Windows Live Mail small icon Windows Live Mail

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