How to Back Up Thunderbird Emails
Back up Thunderbird properly: export the profile, save folders as MBOX or .eml, and fix the sync setting that quietly leaves your backup empty.
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Guides on email backup, archiving, and owning your data — written while building InboxBucket.
Back up Thunderbird properly: export the profile, save folders as MBOX or .eml, and fix the sync setting that quietly leaves your backup empty.
No bulk export exists on iCloud.com — back up iCloud email via Apple Mail's .mbox export, Apple's data copy, IMAP sync, or auto-forwarding to your own cloud.
Microsoft 365 keeps your email available — it doesn't back it up. What retention and holds actually cover, what Microsoft 365 Backup costs, and your options.
Back up Outlook emails step by step — export a PST in new or classic Outlook, save Outlook.com and Mac mail, or auto-forward to your own cloud as .eml.
Yahoo has no export button. Back up Yahoo Mail free — sync it over IMAP to a desktop client with an app password, or auto-archive to your own cloud.
Back up Gmail to Google Drive three ways: a manual Takeout export, a desktop mail client, or automatic forwarding that archives every email as a .eml you own.
Compare four ways to back up email — provider exports, IMAP clients, print-to-PDF, and forwarding archives — with the trade-offs and when to use each.
A .eml file is one email saved in the standard RFC 822 format — headers, body, and attachments in a single portable file. Here's how to open one on any device.