Yahoo Mail doesn’t offer Free Pop3 or IMAP access for offline use or backup purpose. Only Yahoo Mail Plus users ( $19.99 yearly ) get POP access which can be configured in Microsoft Outlook, thunderbird etc. Zimbra Desktop is a free mail client from Yahoo that lets you download Yahoo email or any other into your computer.
Zimbra Desktop is a free offline client that lets you manage your various email accounts in one desktop tool. Zimbra Desktop is an open source application maintained by Yahoo. Some key features of this tool are
- Email, contacts, calendar, and documents all in one application
- Syncs Zimbra, Yahoo! Mail and Gmail email, contacts and calendars
- Supports any POP or IMAP email plus Free Yahoo! Mail, Yahoo Mail Plus, Gmail, AOL, Microsoft Live Account, Hotmail, MS Exchange Acct and Zimbra Web Accts.
- Works on Windows, Apple, or Linux desktop computers
- Automatically save pictures to Flickr
- No limit to the size of your email storage
- It works online and offline
After you download and install Zimbra Desktop, follow below instructions to setup your mail account. From Zimbra Desktop Web User Manual. Zimbra is kinda slow to load.