PC.net

.imapmbox

File Type IMAP Mailbox IconIMAP Mailbox
File Format Proprietary (Apple)
Usage Referenced by an application; not meant to be opened manually
Rank ★ ★ ☆  Average
Description

Folder that stores e-mail messages (.EMLX) and attachments (.EMLXPART) locally from an IMAP mail server.

Open With
macOS

IconApple Mail

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/imapmbox
space