Mailboxes disappeared from sidebar

Welcome to the Discussions.

Clarify whether these On My Mac mailboxes are no longer listed in the Sidebar, or whether they are, but no messages are being displayed in each? Btw, the On My Mac mailboxes are independent of whether you email accounts are POP or some other account type.

Do you have more than one User Account on your Mac? Could you be looking at a Mail window from a different User Account, which if so would not have the On My Mac mailboxes?

Ernie

Phil,

This is very odd! If the Mail folder and its Mailboxes folder in which you found the missing On My Mac mailboxes is properly located at Home/Library then Mail accessing that should display them in the Sidebar. Make a Duplicate of the Mail folder you are examining, and drag that resulting copy to the Desktop for temporary backup.

Next, do the following: try removing the Envelope Index to force reindexing of all mailboxes -- see:

http://docs.info.apple.com/article.html?path=Mail/3.0/en/14019.html

If you only had POP accounts, then you only need deal with the Envelope Index removal, but if you have IMAP accounts, note their special treatment which will require removing the account folders. Removing the folders for IMAP accounts, but not removing the account in preferences nor removing the com.apple.mail.plist file means Mail will rebuild its universal index as it is recreating the IMAP account folder(s). Also remember that if selected to Keep copies of messages and their attachments considerable time will be needed to again download everything on the IMAP server.

But this reindexing may rediscover the On My Mac mailboxes.

Ernie

Phil,

Despite the earlier problem with the ISP's server, I don't see how the ISP could offer any advice about On My Mac mailboxes? Maybe I haven't reread this carefully enough?

Ernie