.ms-tnef

File Type Generic IconMS Transport Neutral Encapsulation Format
File Format Proprietary (Microsoft)
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

Contains rich text formatting used in Microsoft Exchange e-mail messages (bold, italics, underlining, etc.); does not contain actual message text; application/ms-tnef may appear if your e-mail client does not support MS Exchange formatting.

Open With
Windows

IconMicrosoft Outlook

IconMicrosoft Outlook Express

macOS

IconApple Mail

IconMicrosoft Outlook for Mac

Updated 2007
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