I've been testing out how what works and doesn't work when it comes to subfolders. My findings are below -- can others confirm the same phenomenon and or let me know if there's as way to make it more seemless?
So, here's a table and reads like this -- if I create a subfolder in Zimbra webmail, it won't show up in Thunderbird IMAP connection nor an Outlook IMAP:
This might point out a known issue (or issues), but I'm not sure exactly what to search for in bugzilla.
created in Thunderbird IMAP Outlook IMAP Outlook ZCS Connector Zimbra webmail
Thunderbird IMAP xxxxx Yes Yes Yes
Outlook IMAP No Yes Yes Yes
Outlook ZCS Connector No Yes xxxxx Yes
Zimbra webmail No No Yes xxxxx