Outlook Copilot Reply Assistant with M365 Copilot

**Features:**

• 🚀 **One-Click Operation** - Launch Copilot instantly from the right-click menu
• ⚡ **Fast Processing** - Auto-paste and send in 3-6 seconds
• 🌐 **Multilingual Support** - Available in Japanese and English
• 🎨 **Customizable** - Freely edit prompt templates
• 🔒 **Privacy Protected** - Email content is never stored

## 📋 Prerequisites

To use this extension, you need the following:

### Required

• **Google Chrome** or **Microsoft Edge** browser
• **Microsoft 365** account (Business or Enterprise)
• **M365 Copilot** license
• Access to **Outlook on the web**

### Verification Steps 1. Log in to [Outlook on the web](https://outlook.office.com/) 2. Check if the "Copilot" icon appears on the right side of the mail screen 3. Click the Copilot icon to verify that the Copilot pane opens

> **Note**: M365 Copilot is a paid service requiring a license. If unavailable, please contact your organization's administrator.

## Key Features

### 🎯 **Simple Operation**

• Select email body text
• Choose "Draft Reply with Copilot" from the right-click menu
• M365 Copilot opens automatically with custom prompt and email content pasted
• Optional auto-send functionality

### 🤖 **Smart Prompts**

• Business email-specific prompt templates
• Automatic sender signature extraction and salutation conversion
• Auto-configured personal signatures
• Efficient generation of reply content only

## Usage

### 📧 **Basic Usage**

#### Step 1: Open Email 1. Access [Outlook on the web](https://outlook.office.com/) 2. Open the email you want to reply to

#### Step 2: Select Email Body 3. Drag your mouse to select the portion of the email body you want to reference

• Including sender name and signature generates more appropriate replies
• You can also select only necessary information

#### Step 3: Execute Extension 4. **Right-click** on the selected text 5. Choose **"Draft Reply with Copilot"** from the menu

#### Step 4: Copilot Auto-Execution 6. M365 Copilot side panel opens automatically 7. Prompt and email content are pasted automatically 8. Auto-sent based on settings (Default: ON)

#### Step 5: Enter Reply Content 9. Respond to Copilot's questions with your desired reply content

• Example: "Acknowledge receipt and inform that I'll handle it next Monday"

10. Copilot generates an appropriate business email reply

#### Step 6: Review and Use Reply 11. Review the generated reply text 12. Edit as needed 13. Copy and paste into Outlook's reply screen

### ⚙️ **Customization**

#### Opening Options

• Click the extension icon in the browser toolbar
• Click the "Options" button

#### Customizable Settings 1. **Auto-Send Settings**

• ON: Automatically sends Enter key after pasting prompt (Default)
• OFF: Paste only, manual send required

2. **Prompt Template**

• Edit default prompts
• Reset with "Reset to Default" button
• Different templates for Japanese and English

3. **Language Settings**

• Switch between Japanese / English
• Auto-detects browser language (first time only)
• Manually changed settings are preserved

### 💡 **Usage Tips**

• **Selection Tips**: Including sender's signature (e.g., "John Doe, ABC Corporation") enables automatic conversion to proper salutations like "Dear Mr. Doe"
• **Prompt Customization**: Specify reply tone and format in prompt templates
• **Multiple Emails**: Simply repeat the same operation for consecutive replies
• **Custom Prompts**: Customize prompts to match your organization's writing style and signature rules

### 🌐 **Supported Sites**

• `https://outlook.office.com/*`
• `https://outlook.office365.com/*`
• M365 Copilot iframe (auto-detected)

## Privacy

• **Data Destination**: Microsoft 365 Copilot only
• **Local Storage**: Prompt templates and settings only
• **Email Content**: Never stored
• **External Services**: None used

## Troubleshooting

### 🔍 **Common Issues**

**Q: Right-click menu doesn't appear**

• A: By design, only displayed on Outlook domains

**Q: Copilot doesn't open**

• A: Verify you're logged into Microsoft 365

**Q: Doesn't work after the first time**

• A: Reset settings with `window.resetToDefaults()`

**Q: Slow performance**

• A: Latest version is significantly optimized

## Permissions

This extension requires the following permissions:

• **contextMenus**: Create right-click menu items
• **storage**: Save user preferences (prompt templates, settings, language)
• **tabs**: Cross-tab messaging and Copilot tab management
• **webNavigation**: Detect and communicate with Copilot iframes

All permissions are strictly necessary for core functionality. No data collection or tracking occurs.

## Support

### 💼 Enterprise Usage We offer paid support for enterprise deployments and customization.

**Contact:**

• Website:http://www.satorifactory.jp/
• Developer: Satori Factory

### ☕ Support & Donations If this extension is helpful, please consider supporting continued development. (https://www.buymeacoffee.com/satorifactory)