Multi-Purpose Internet Mail Extensions (MIME) format (RFC822)
File type: Internet related file
Files with mime extension are often used for Multi-Purpose Internet Mail Extensions (MIME) file format format (RFC822). MIME is protocol used to transport non-text information across the Internet. The mime file contains encoded information about transported data. MIME format is used by variety of e-mail clients and web browsers.
File type category:
Internet related file
Date updated: June 27, 2025
File extension mime is related to MIME, the multi-purpose internet mail extension.
A protocol for transmitting non-text information across the Internet. Basically, non-ASCII data is converted to ASCII for transmission and then converted back at the receiving end. MIME encoding (originally mmencode and now mimencode) is typically used and is a replacement for uuencode since that encoding scheme does not translate across all mail systems. It is a very flexible format.
MIME messages can contain text, images, audio, video, or other.
MIME types:
application/mime
www/mime
message/rfc822
The mime file format is used by e-mail clients or Internet browsers.
Use compatible tools to export data from mime files to other formats.
Microsoft Outlook (Microsoft Windows)
Mozilla Thunderbird (Microsoft Windows)
Windows Mail (Microsoft Windows)
Windows Live Mail (Microsoft Windows)
Microsoft Edge (Microsoft Windows)
Firefox (Microsoft Windows)
Opera browser (Microsoft Windows)
Microsoft Entourage (Apple macOS / Mac OS X)
Apple Mail (Apple macOS / Mac OS X)
Mozilla Thunderbird for Mac (Apple macOS / Mac OS X)
Microsoft Outlook for Mac (Apple macOS / Mac OS X)
Firefox for Mac (Apple macOS / Mac OS X)
Opera browser for Mac (Apple macOS / Mac OS X)
Mozilla Thunderbird for Linux (Linux/Unix)
Firefox for Linux (Linux/Unix)
Opera browser for Linux (Linux/Unix)
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