Service Postal Drive offers a convenient solution for sending registered letters and mail directly from Google Drive, available 24/7 with just 3 clicks. Whether you're looking to save time, avoid the hassle of printing, or skip the post office queues, this Chrome extension by Service Postal simplifies the mailing process.

Once installed from the Chrome Web Store and after a free registration, sending mail is effortless:

1. Right-click on the document to send and choose 'Open with > Service Postal.'

The Service Postal interface opens, automatically authenticates you, and preloads the document.

2. Select recipient addresses from pre-saved options or input new ones.

3. Confirm the order, and if needed, make the payment.