X1 Search

From $79/user/yr · 14-day trial

What the maker publishes

Classification

X1 Search can organize and tag emails, documents, chats, and attachments using customer-enabled AI models applied within the user's environment. source

Claude connector

The X1 Search MCP connector lets Claude search items in the local X1 index and returns matching items without uploading whole mailboxes, drives, or data sources. source

Connector requirements

The Claude connector requires X1 Search 12.0 or later, Claude desktop on the same PC, Claude Cowork or Claude Code, and Windows 11 with .NET Framework 4.8 or later. source

Founded

2003 source

Headquarters

Pasadena, California, United States source

Integrations

Supported sources include Microsoft 365, Teams, SharePoint, OneDrive, Exchange, Slack, Google Drive, Gmail, Box, Dropbox, PST files, Yahoo Mail, and AOL Mail. source

Intended users

X1 describes Search as a productivity application for personal and business use. source

Local AI

X1 says its locally deployed AI models are not hosted by X1 and that it does not use indexed content to train or improve AI models. source

Platform limits

X1 Search is for Windows; the product page says Mac operating systems and Windows Snapdragon ARM processors are not supported. source

Privacy

X1 says indexed content and the search index remain under the user's control and are not transmitted to or stored by X1 during ordinary use. source

Purpose

X1 Search searches emails, attachments, files, chats, and cloud data sources through a single interface. source

Search

The product offers patented fast-as-you-type search, hit highlighting, full-fidelity previews, and more than 50 metadata filters. source

Security

X1 says it uses industry-standard encryption, including SSL encryption for data transmission, and robust access controls to protect data processed through X1 Search. source

Support

X1 provides an X1 Search support resource center for technical assistance, upgrades, and frequently asked questions. source

Trial

The free 14-day trial includes all features and capabilities and does not require a credit card. source

Checked against the maker's pages on 9 Oct 2026.