libpst を Homebrew でインストール

プロジェクトリンク

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コマンドとエイリアス

• lspst
• nick2ldif
• pst2ldif
• readpst

プロジェクトの歴史

The Five-Ten-SG libpst documentation presents readpst as the front-line utility for converting Outlook Personal Folders files to mbox, MH-style files, separate messages, contacts, LDAP LDIF, vCard, and DII load-file output. The project maintained a Mercurial repository and developer documentation for libpst.so.4, placing it in the older Unix tradition of small conversion tools with a reusable C library beneath them.

The package matters historically because PST files were proprietary Outlook containers while Unix mail tools generally expected mailbox-like formats. libpst became one of the standard escape hatches for migration, discovery, forensics, and long-lived personal mail archives.

採用の歴史

The project spread through Unix package collections because its job is narrow, hard to replace by shell scripting, and repeatedly needed during Outlook migrations. The Homebrew formula, together with the input package-manager metadata for Debian, Fedora, MacPorts, Nix, Arch, Ubuntu, and openSUSE, shows broad packaging across desktop and server ecosystems.

使われ方

Package users most often encounter libpst through readpst, which turns PST folders into mbox-compatible output or separate message files. The sibling tools lspst, pst2ldif, and pst2dii cover inspection, contact export, and litigation-support workflows.

パッケージ好きにとっての重要性

For package maintainers, libpst is a classic compatibility package: it bridges a proprietary desktop data format into plain Unix artifacts, exposes a shared library for downstream tools, and carries enough format edge cases that having one maintained implementation is better than every mail importer growing its own PST parser.

タイムライン

• 2009: The rpm spec history around the Five-Ten-SG-maintained releases records rapid 0.6.x work on Python bindings, MIME handling, appointment decoding, and Outlook 2003 64-bit PST support.
• 2020: FreeBSD ports updated to libpst 0.6.74, showing continued downstream maintenance of the 0.6 series.
• 2021: Five-Ten-SG documentation identified libpst Utilities version 0.6.76 and pointed users to the Mercurial repository and generated shared-library documentation.

Related projects

• libpff is a related PST-format project referenced by the libpst documentation for PST format documentation. Mail clients and archival tools consume libpst output through mbox, MH, LDIF, vCard, and DII rather than through a libpst-specific data model.

ソース

• https://formulae.brew.sh/formula/libpst
• https://hg.five-ten-sg.com/libpst/
• https://www.five-ten-sg.com/libpst/
• https://www.five-ten-sg.com/libpst/devel/
• https://www.five-ten-sg.com/libpst/rn01re01.html
• https://www.freshports.org/mail/libpst