Attachment Librarian

"Someone emailed me that spreadsheet... in March? And was Budget_v3_FINAL_revised the latest, or Budget (2)?" Outlook's attachment search can't answer that. Attachment Librarian can.

INDEX EVERYTHING

One click indexes every file attachment across your mailbox - file names, senders, dates, and sizes (never the file contents). Choose how far back to look, up to a year.

VERSIONS, UNTANGLED

Copies and revisions of the same document - v2, FINAL, draft, (1), dated copies - are grouped into one lineage, newest first. "Which is the latest?" finally has an answer.

FIND AND OPEN

Search by file name, sender, or subject. Expand a document to see its version history, and open the email that carried any version with one click.

PRIVACY BY DESIGN - WE COLLECT NO DATA

This add-in collects no data. None. No accounts, no analytics, no trackers, no publisher server. It uses a single READ-ONLY permission (Mail.Read, restricted to your own mailbox) via Microsoft Graph - Microsoft 365's own service - so your email never leaves the

Microsoft 365 boundary and is never seen, stored, or shared by us. Grouping is simple deterministic logic in your own Outlook client - no AI service ever sees your email, and the add-in cannot modify or send anything.

WHO IT'S FOR

Anyone whose documents live in email - project teams, contract and records staff, government workers, lawyers, accountants, and everyone who has ever scrolled months of mail hunting for the right version of a file.

HOW TO USE

1. Open any message and click "Attachment Librarian" on the ribbon.

2. Click "Index my attachments" (first run: sign in and consent - one time).

3. Search, expand, open. Done.