# ThreadIndex v0.1.0 - Table of Contents

> Encode and decode the Outlook Thread-Index header (MAPI PidTagConversationIndex) — both desktop Outlook and Exchange/OWA/Graph variants, with correct reply-date recovery.

## Pages

- [ThreadIndex](readme.md)
- [Changelog](changelog.md)

## Modules

- [ThreadIndex](ThreadIndex.md): Encode and decode the Outlook `Thread-Index` email header
(MAPI `PidTagConversationIndex`, Microsoft Graph `conversationIndex`).
- [ThreadIndex.Reply](ThreadIndex.Reply.md): One decoded 5-byte child block of a conversation index.

