POSTBOX — OFFLINE EMAIL VIEWER

Run ./"Start Postbox.sh" in a terminal. If needed, run chmod +x "Start Postbox.sh" first.

Python is bundled. No installation or internet connection is needed.
Extract the entire archive before launching; keep runtime and app files together.
A browser opens automatically. Keep the terminal open; press Ctrl+C to stop.
If necessary, open the local address printed in the terminal.

Open .eml, .msg, .pst, .mbox or .mbx files or folders. PST originals remain read-only.
PST imports: up to 2 GB, with memory use depending on extracted emails/attachments. Other files: up to 100 MB.
Export selected Outlook emails as EML ZIP or MBOX for editing.
Search: from:ada to:grace subject:"meeting notes" body:budget has:attachment.
Use has:noattachment for messages without attachments. See README.md.
Messages stay local. Delete from originals explicitly changes source files.
Use Open managed folder in Chrome/Edge for original-file editing.
Select a date range, select results, then export their attachments to a folder.
MBOX imports use a temporary local file deleted after parsing.
HTML scripts and remote content are blocked. Inline images are downloadable attachments.
Requires a modern browser and a 64-bit Intel/AMD operating system.
Linux with glibc 2.17 or later; not Alpine/musl. USB mounts must allow execution.

Python runtime licenses are included in the runtime directory.
