- Unified Cross-Platform Search: Search emails, files, attachments, and chats across M365, Google Workspace, Slack, and local drives from a single interface.
- Fast-as-You-Type Indexing: Patented instant search engine delivers results in real time as queries are typed.
- Deep Outlook & Gmail Integration: Index and search archived mail, calendars, contacts, and PST files with API-based Gmail support.
- Slack & Teams Chat Search: Locate messages, channels, attachments, emojis, and reactions across collaboration platforms.
- Cloud Storage Connectivity: Connect to OneDrive, SharePoint, Google Drive, Box, and Dropbox for unified file discovery.
- Full Fidelity Preview: Preview emails, attachments, and documents without opening the original application.
- Advanced Refine Columns: Use 50+ metadata filters to narrow results by date, sender, file type, and more.
- Archived Email Acceleration: Rapidly index years of archived Outlook data for quick historical retrieval.
- Post-Search Actions: Open, move, copy, or download files directly from search results.
x1 search
Lightning-fast unified desktop search across email, cloud, and chats
Updated August 1, 2026
x1 search Overview
X1 Search is a Windows desktop search application for finding email, attachments, files and chat data across local storage and supported cloud services. It connects to Microsoft 365, Google Workspace, Slack and common storage platforms, with fast-as-you-type results, filters and previews.
The unified interface is designed for professionals working with large archives who need to locate content without switching repeatedly between source applications.
Key Features
Pricing
| Plan or service | Current price | Key details |
|---|---|---|
| One-year license | $79/year | Single-user web purchase with support and upgrades during the term |
| Three-year license | $189 for three years | Single-user multi-year term; the official page compares it with $237 for three one-year terms |
| Volume and enterprise | Contact sales | Available for 50 or more licenses; deployment and licensing terms by quote |
Pricing source: https://www.x1.com/solutions/purchase-options/
Pros
Competitor |
Pros |
|---|---|
| Windows Search | X1 Search indexes email, cloud drives, and chat platforms in one place, while Windows Search mainly focuses on local files. Power users handling PST archives and M365 data get faster, more granular filtering. The refine columns and preview pane make large inboxes easier to navigate. |
| Copernic Desktop Search | X1 Search connects deeply with Slack and Microsoft Teams, giving broader collaboration coverage. Its fast-as-you-type engine feels more responsive with very large mail archives. Many professionals prefer its preview quality and metadata filters for handling complex searches. |
| dtSearch Desktop | dtSearch targets legal and technical users, but X1 Search offers a simpler interface for everyday business workflows. It balances speed and usability, making it easier for non-technical staff to search Outlook, Gmail, and cloud drives without complex query syntax. |
| Everything (Voidtools) | Everything excels at file name search, yet it doesn’t index email or cloud content. X1 Search covers attachments, archived mail, and collaboration chats, making it more suitable for knowledge workers managing both local and cloud-based information. |
| Lookeen | Compared to Lookeen, X1 Search provides broader cloud integrations and Slack support. Users handling both Google Workspace and M365 environments benefit from its unified indexing and consistent preview experience across data types. |
Cons
Competitor |
Cons |
|---|---|
| Windows Search | Windows Search is already integrated into the operating system. Users who only need basic local file lookup may not need X1’s broader email, cloud, chat, preview and filtering capabilities. |
| Copernic Desktop Search | Copernic can feel lighter for strictly desktop-based searches. X1 Search’s broader integrations and indexing depth may demand more system resources during initial indexing, especially on older machines. |
| dtSearch Desktop | dtSearch offers highly advanced Boolean and proximity search controls suited for legal discovery. X1 Search focuses more on usability, so power users needing complex query scripting may find fewer specialized options. |
| Everything (Voidtools) | Everything delivers near-instant file name results with minimal system impact. X1 Search, while broader in scope, requires indexing emails and cloud data, which can take time to set up and maintain. |
| Lookeen | Lookeen integrates tightly with Microsoft ecosystems and may feel more native for Outlook-heavy environments. X1 Search adds cross-platform breadth, but organizations fully standardized on Microsoft tools might not use all its integrations. |
Reviews
- G2 Review (Rating: 4.6/5 from 66 reviews): Users praise unified search, speed, previews and access to email or cloud content, with indexing and product-specific workflow concerns in some reviews.
- Capterra Review (Rating: 4.6/5 from 7 reviews): The tiny pool includes a 72,000-file example with a 758 MB index and praise for finding old emails or phrases, alongside criticism of support, price or unexpected interface behavior.
- Software Finder Review (Rating: 5/5 from 9 verified reviews): This very small pool gives perfect scores for ease, value and support and 9/10 for functionality.
- SoftwareReviews / McLean Review (Rating: 8.7/10 from 69 reviews): The current aggregate replaces the old single-review 9/10 framing and covers the exact X1 Search desktop-search product.
