Mail folders file ext?

[gaffer]

What is the file extension for the Outlook mail box and folders? And for
the address book?

Thanks in advance for any relies.
Gill

 

[Gordon]

What is the file extension for the Outlook mail box and folders? And for
the address book?

Thanks in advance for any relies.
Gill

pst. And they are all in the one file.....

 

[gaffer]

Thank you.

pst. And they are all in the one file.....