> ## Documentation Index
> Fetch the complete documentation index at: https://docs.omnexio.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Account & Personalization

> While Omnexio.ai lets you try searches without logging in, creating an account unlocks a **full personalized experience**. 

## 🔑 Login & Security

* Secure login with email or social accounts
* Optional **Two-Factor Authentication (2FA)** for added protection

## 💬 Comprehensive Chat History

* All your conversations are stored securely
* Powered by **Elasticsearch** for lightning-fast search and retrieval
* Revisit past answers, sources, and insights anytime

## ⚙️ Account Settings

* **UI Language** – switch interface language instantly
* **Dark Theme** – toggle for comfortable viewing
* **Message Fonts** – adjust chat font style to your preference
* **Audio Features** – play responses as audio or **dictate messages by voice**

## 📂 File Management

* Upload and securely store your own files
* Supported formats: PDFs, Excel, text files (DOC files not yet supported)
* Files can be analyzed with any of our **AI agents** or **models**

## 🤖 Flexible Agents & Models

* Switch between agents and models on the fly
* Use **@agent-name** or **@model-name** in chat with autocomplete suggestions
* Example: `@AIWriter draft an email` or `@ClaudeSonnet4 summarize this report`

## 🧩 Free vs Premium

* **Free tier** → access to core search and basic agents
* **Premium plans** → unlock advanced agents, file storage, history search, and API access

Sign up today to unlock **personalization, history, file uploads, and seamless switching between agents and models** — making Omnexio.ai your **custom AI workspace**.