Simple, Clear and Powerful

All your email accounts in one place,
easy organization, fast search, and a beautiful UI.


macOS + Windows

Meet Postbox 7.0

The most powerful, beautiful, and fully-featured email app that's also easy to use.

Pb7 Screenshot Home Main@2X

See All Your Accounts in One Place

  1. Group Your Accounts

    Organize your accounts into groups, then access unified inboxes within each group.

  2. Quickly Access Favorite Folders

    Get fast access to your go-to folders and accounts in the Favorites Bar.

  3. View Inboxes in Separate Tabs

    Like a web browser, open your inboxes, folders, or messages in tabs, then quickly switch between them.

Pb7 Screenshot Account Groups@2X

Find Anything and Everything

  1. Find Things Fast

    Find things in a flash with Postbox's ultra-fast search engine.

  2. Find Exactly What You Need

    Customize searches by sender, subject, date range, or other attributes.

  3. Find Files and Images

    Search for all the files and images hiding in your email. You'll discover things you didn't know you had!

Pb7 Screenshot Home Image Search@2X

Move Mountains of Messages

Tackle the Busiest of Inboxes


Triage new messages faster with a full suite of keyboard shortcuts, macros for common actions, rules, and intuitive swipe actions on macOS.

Easily organize large inboxes by tag or Gmail label.

Find and view the messages you need using Postbox's powerful search engine and one-click filter views.


Download your free trial →

Pb7 Screenshot Home Quick Bar@2X

Choose from 24 Beautiful Themes

Pixel-Perfect, Light and Dark Themes to Fit Any Mood

Pb7 Screenshot Home Theme@2X

Customize Your Email, Your Way

Work the Way You Want To


Customize Postbox's interface just the way you want it. Display messages in vertical and horizontal views, organize folders in the Favorites Bar or Tabs, or pin important emails to the top of your message list. 

Extend Postbox's functionality through Postbox Labs, a place for 3rd-party code such as OpenPGP encryption and Import & Export Tools.


Download your free trial →

Pb7 Screenshot Home Customize@2X

Power Through Your Day

  1. Send Large Files Fast

    Send links to large files in Dropbox, Box, and OneDrive, instead of the files themselves.

  2. Easily Reuse Attachments

    Browse files or images in the compose window, reuse with just a click.

  3. Keep Yourself on Target

    Track the time and effort you spend composing messages.

Pb7 Screenshot Home Cloud File Share@2X

Use Pro-Class Composition Tools

  1. Reuse Common Responses

    Insert pre-canned snippets of text, images, or blocks of HTML with just a few keystrokes.

  2. Always Send from the Correct Account

    Postbox highlights contacts when you address a message from the wrong account.

  3. Edit in HTML

    Edit directly in HTML using our advanced code editor.

Pb7 Screenshot Home Compose Tools@2X

Get Postbox

Download Purchase

Free 30-Day Trial for macOS and Windows

Customer Buzz

Discover why our customers think Postbox is the best email app for Mac and Windows.

(In all seriousness, I love the fact @Postbox helps me avoid forgetting to add the damn files to the damn emails.)