Files with tnef extension are used by Microsoft Outlook Express program. They include some text formatting data.
Software that open tnef file
TNEF file extension - Transport neutral encapsulation format file
What is tnef file? How to open tnef files?
The tnef file extension is associated with Microsoft Outlook Express, an e-mail and news client included in earlier releases of Microsoft Internet Explorer. The latest edition of Outlook Express is called Microsoft Mail Live.
The .tnef files contains rich text formatting used in Microsoft Exchange e-mail messages, such as bold, italics, underlining, etc..
Mime type: application/ms-tnef
Updated: April 16, 2024
The default software associated to open tnef file:
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.
List of recommended software applications associated to the .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 tnef file, edit tnef file, convert tnef file, view tnef file, play tnef file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with tnef file - Transport neutral encapsulation format file
Click on the software link(s) for more information. Suggested software applications use tnef file type for internal purposes and/or also by different way than common edit or open tnef file actions.
Microsoft Windows:
Main software associated with tnef file by default:
Microsoft Outlook Express
Other suggested software:
Microsoft Office
