.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 by Microsoft Corporation
	Microsoft Outlook Express 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
.ME	Unknown Developer	Uncommon Files	Temporary Delete Me File
.SRE	Microsoft Corporation	Data Files	Windows CE 5.0 File
.3MF	Open Source	3D Image Files	3D Manufacturing File
.RPY	Team Shanghai Alice	Game Files	Touhou Project Replay File
.PPC	Garmin	GIS Files	XMap Flight Plan Statistic File
.SID	Valve	Game Files	Steam Game Data Backup File
.MNX	Autodesk, Inc.	Encoded Files	AutoCAD Compiled Menu File
.AS	Adobe Systems Incorporated	Developer Files	Adobe ActionScript File
.SPJ	IBM	Settings Files	SPSS Production Job File
.SLDM	Microsoft Corporation	Uncommon Files	Microsoft PowerPoint Macro-enabled Open XML Slide