Quick Start

Prerequisites  

• Windows 10 or 11
• Google Chrome or Microsoft Edge
• Gmail or Google Workspace account
• Admin rights (for the installer)

Step 1: Install the Extension  

Install the go-mapi extension in your browser:

• Chrome: Chrome Web Store  (search for “go-mapi”)
• Edge: Edge Add-ons  (search for “go-mapi”)

Alternatively, download the latest release from GitHub  and load it as an unpacked extension.

Step 2: Run the Installer  

Open an admin PowerShell window and run:

irm https://raw.githubusercontent.com/marcfargas/go-mapi/main/scripts/install.ps1 | iex

The installer automatically:

• Detects your browser and extension ID
• Downloads the latest go-mapi release
• Installs the DLL and native messaging host
• Registers go-mapi as the default MAPI handler

Step 3: Send Your First Email  

1. Open Windows Explorer
2. Right-click any file
3. Select “Send to” → “Mail recipient”
4. The go-mapi extension popup opens with the file attached
5. Click “Save as Draft” or “Send Now”

That’s it! You’re using MAPI with Gmail.

What’s Next?  

• Troubleshooting — if something isn’t working
• Enterprise Deployment — for managed environments
• Configuration — customize go-mapi’s behavior