How to search iMessage on a Mac

Search inside the Messages app

The built-in search is the right first stop when you remember a word that was in the message.

1. Open Messages and click the search field at the top of the conversation list.
2. Type a word or a name. Recent versions of macOS group the results into conversations, links, photos and documents, so the Links group is often the fastest way to a URL.
3. Click a result to jump to it inside the conversation, then scroll around it for the context.
4. To search one conversation only, open it and press Command-F.

Where it gives up

Messages search matches words in message text. It does not know what a link is about unless the words were in the message, so a bare URL someone pasted with “this one” is invisible to it. It cannot combine constraints — everything Priya sent about apartments in the spring — and a common word in a busy group chat returns hundreds of hits with no way to narrow them.

It also only has what is on this Mac. If Messages in iCloud is off or the Mac joined the account recently, older history is not there to search.

Spotlight and the Finder

Spotlight indexes messages, so a distinctive phrase typed into Spotlight can surface a text. It has the same blind spot with links and no sense of who sent what. Attachments people sent you are files on disk under ~/Library/Messages/Attachments, which the Finder can search by name and type but not by sender.

The database underneath

Every message on a Mac lives in one SQLite file, ~/Library/Messages/chat.db. With Full Disk Access granted to Terminal you can query it directly, and people do: the message table holds the text and dates, the handle table maps rows to phone numbers and email addresses, and the chat tables tie them into conversations.

It is a real option for one-off questions if you are comfortable with SQL. It is not a way to search: the text of newer messages is stored as an encoded attributedBody blob rather than a plain column, dates are nanoseconds since 2001, and nothing in the file tells you which of your contacts a handle belongs to.

Search by who, when and what it was about

Sanctuary is a Mac app that reads that database on your machine, resolves handles to the people in your Contacts, pulls out every link anyone ever sent, and keeps the messages around each one. So the question becomes the one you actually have: what did Maya send me about Lisbon? Which restaurant did the group chat settle on before the trip? Who sent me that sample clearing site?

You type it the way you would ask a person, and the answer shows the message it came from so you can check it. Links carry their preview, the sender and the conversation, whether or not the message said what they were.

It stays on your computer

The app reads Messages on your Mac and never uploads them. There is no account and no sync to a server. AI features are optional and run on-device or on a key you provide, and the privacy policy enumerates every request the app can make.