.TNEF File Overview

File Extension:	TNEF
File Type Description:	Transport Neutral Encapsulation Format
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Outlook Express
Primary Software Developer:	Microsoft Corporation

Open your files with FileViewPro File Viewer

Download File Opener

TNEF

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

Home File Types Uncommon Files TNEF

What is File Extension TNEF?

Microsoft Corporation developed the Transport Neutral Encapsulation Format file type when the Microsoft Outlook was initially released. According to our internal data, Transport Neutral Encapsulation Format files are most popular with users in United States, with a majority of them running Windows 10. In most cases, these users are surfing the internet using the Google Chrome browser.

Associated Developers and Software

	Microsoft Outlook Express by Microsoft Corporation
	Microsoft Outlook by Microsoft Corporation
	Apple Mail by Apple

Top TNEF User Languages

Top TNEF File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS

Other File Types Related to TNEF Files

Extension	File Type Developer	File Category	File Type Description
.XWB	Microsoft Corporation	Audio Files	XACT Wave Bank
.ILBM	Electronic Arts	Raster Image Files	Interleaved Bitmap Image
.WEBSITE	Microsoft Corporation	Web Files	Internet Explorer Pinned Site Shortcut
.SAM	Microsoft Corporation	Text Files	LMHOSTS Sample File
.SVX	The Survex Project	GIS Files	Survex Cavern Data File
.APP	Nokia	Executable Files	Symbian OS Application
.MF	Walt Disney Imagineering	Game Files	Gameplay Multifile
.RLL	Microsoft Corporation	Settings Files	Microsoft Resource Library
.VSCT	Microsoft Corporation	Developer Files	Visual Studio Command Table
.SLDM	Microsoft Corporation	Uncommon Files	Microsoft PowerPoint Macro-enabled Open XML Slide