Export Mail from Google Takeout or a Thunderbird profile and keep the original MBOX file as your backup.
Gmail or Thunderbird MBOX
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Read, search, and export a Gmail or Thunderbird MBOX backup in this browser tab. Your messages stay on your device.
● Nothing is uploaded. MboxSift never opens links or executes message HTML.
Gmail or Thunderbird MBOX
From backup file to readable mailbox
Choose the MBOX file here. Everything is parsed in this tab; message HTML is shown as text and saved links are never opened.
Search by sender, subject, date, or body, then export the visible results to CSV for a small working list.
FAQ
Does MboxSift upload my email?
Does MboxSift upload my email?
No. The file is read with the browser File API and is never sent to a server.
Does it render HTML emails?
No. Message bodies are kept as text so remote content and scripts cannot run.