Simple, Clear and Powerful
All your email accounts in one place,
easy organization, fast search, and a beautiful UI.
macOS + Windows
Chaos, Meet Order
Simplify Your View
Tackle what’s important using Postbox’s innovative Focus Pane.
Filter in Real-Time
Isolate messages that you need, and filter out the rest, with a single click.
Organize by Tag
Seamlessly tag and view messages by project, event, or however you organize your work.
Organize by Contact
Group messages from your boss or VIPs to keep critical emails from getting lost.
Everything You Need, At Your Fingertips
Find Things Fast
Find what you need in a flash with Postbox’s ultra-fast search.
Find What You Need
Customize searches by sender, subject, date range and other attributes.
Find Files and Images
Search for all the files and images hiding in your email.
Your Email, Your Way
Group Your Accounts
Organize your accounts into groups, then access unified views within each.
Quickly Access Favorite Folders
Fast access to your go-to folders and accounts in the Favorites Bar.
Open Folders in Tabs
Like a web browser, navigate your inboxes, folders, topics or contacts in tabs.
Stay on Top of Things
Create reminders and pin them to the top of your message list, so they stay top-of-mind.
Use Quick Post to send email content to your favorite apps, such as Evernote, Slack, and Todoist.
Power Tools for Professionals
Reuse Common Responses
Insert pre-canned snippets of text, images, or blocks of HTML with just a few keystrokes.
Always Send from the Correct Account
Postbox highlights contacts when you address a message from the wrong account.
Edit in HTML
Edit directly in HTML using our advanced code editor.
Power Through Your Day
Send Large Files Fast
Send links to large files in Dropbox, Box, and OneDrive, instead of the files themselves.
Easily Reuse Attachments
Browse files or images in the compose window, reuse with just a click.
Keep Yourself on Target
Track the time and effort you spend composing messages.
Easy on the Eyes
Work in Dark or Light Modes
You asked for it, we delivered. Postbox has a beautiful new Dark Mode theme! Postbox automatically adapts to the Light and Dark Mode preferences you have set in the OS.
Easily Switch Modes
Easily switch between themes using our new "Theme" button to the Postbox toolbar.
Discover why our customers think Postbox is the best email app for Mac and Windows.