Resumable uploads for large files
Large .mbox / .pst uploads (often multi-GB) can be interrupted partway — a dropped/slow connection, a closed tab, or a session timeout — and currently the user has to start the whole upload again from scratch. For big mailboxes this is painful and a common drop-off point.
Goal: chunked / resumable uploads so an interrupted transfer continues from where it stopped instead of restarting.
Related to the mid-upload session keep-alive work (which mitigates the logout case for slow connections, but does not make the upload itself resumable). Tracking this as the durable follow-up.
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Comments1
Harry Elliott
Aug 18
Shipped. Large uploads can be paused and resumed, survive a reload or a closed tab, and the progress bar and time estimate now reflect what's actually happening rather than just the transfer.
Large PST imports also resume from where they stalled, instead of starting again from the beginning.
Full release notes: https://feedback.redactbox.co.uk/en/changelog/