File Extension Library

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.TNF File Extension

  • Developer by: Microsoft Corporation
  • Category: Email related data Files

What are .TNF files and how to open them?

Can't open .TNF file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .TNF file.

What is a .TNF file extension?

.TNF file extension is created by Microsoft Corporation. .TNF has been classified as Email related data Files.

.TNF is Transport Neutral Encapsulation Format

The tnf file extension is mainly related to Microsoft's Transport Neutral Encapsulation Format.

TNEF is a proprietary email attachment format used by Microsoft Outlook and Microsoft Exchange Server.

MIME types:
application/MS-TNE


How to open:

Use compatible tools to work with *.tnf files.

How to convert:

Probably cannot be converted to anything else.

How to fix problems with .TNF files

  1. You need to update the application that you normally use to open .TNF files. Only the latest version of the software supports the current .TNF file format
  2. You need to check the .TNF file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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