MS-TNEF file extension
The table below provides useful information about the .ms-tnef file extension. It answers questions such as:
- What is the .ms-tnef file?
- What program do I need to open a .ms-tnef file?
- How can the .ms-tnef file be opened, edited or printed?
- How can I convert .ms-tnef files to another format?
- Where can I find the specifications for .ms-tnef?
- Which MIME-type is associated with the .ms-tnef extension?
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
MS Transport Neutral Encapsulation Format
MS-TNEF file is a MS Transport Neutral Encapsulation Format. Transport Neutral Encapsulation Format or TNEF is a proprietary email attachment format used by Microsoft Outlook and Microsoft Exchange Server.
Other types of files may also use the .ms-tnef file extension.
Can't open a .ms-tnef file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Table of Contents
Windows cannot open this file:
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .ms-tnef file association, check the FAQ.
Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
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