how to open mbox

Another option you have it to import the box in mail.

select File > import mailbox…

check "import mbox", select the file.

It'll be imported into a new mailbox called "Imported ..."

voilà!

david

Note that this is on Catalina...

Grafijohn wrote:

i have got a .mbox of many mail, how to open this and see the old mail?

Import or export mailboxes in Mail on Mac - Apple Support

https://en.wikipedia.org/wiki/Mbox

https://fileinfo.com/extension/mbox

Any text editor will open a .mbox file since the file is plain text.

Grafijohn wrote:

Perfect, thanks to all.

Good computing Grafijohn !