For our power users, here's a list of Postbox's Keyboard Shortcuts. Note that these shortcuts only pertain to the most current shipping version of Postbox.
Note: If you're used to Gmail's keyboard shortcuts and prefer to use them instead of Postbox's shortcuts, go to Postbox Settings or Options > Advanced > General and select the checkbox for Use Gmail shortcuts. For a list of Gmail's shortcuts, click here. (Many of the keyboard shortcuts in Postbox have no equivalent in Gmail, so they remain as shown below.) To restore the native Postbox shortcuts, uncheck the Use Gmail shortcuts box.
| Message List Pane | macOS | Windows |
|---|---|---|
| Go to Home screen | ⌘ + shift + H | Home |
| Go to Next message | F | F |
| Go to Previous message | B | B |
| Go to Top of message list | fn + left arrow | Home |
| Go to Bottom of message list | fn + right arrow | End |
| Go to Next Unread Message | N | N |
| Go to Previous Unread Message | P | P |
| Go Back to Last-Viewed Message | [ | [ |
| Return to Current Message | ] | ] |
| Go to Next Unread Thread | shift + T | shift + T |
| Expand all conversations in the Message List pane | * | * |
| Collapse all conversations in the Message List pane | \ | \ |
| Expand selected collapsed conversation in the Message List pane | right arrow | right arrow |
| Collapse selected expanded conversation in the Message List pane | left arrow | left arrow |
| Expand selected conversation in the Message Pane | O | O |
| Collapse selected conversation in the Message Pane | shift + O | shift + O |
| Move to the Search bar | / or ⌘ + K | / or ctrl + K |
| Toggle Inspector pane for selected message | ⌘ + shift + I | ctrl + shift + I |
| 3-Pane Navigation | macOS | Windows |
| Move from pane to pane | F6 | F6 |
| Select the next message unit in a conversation in the message pane | option + down Arrow | alt + Down Arrow |
| Select the previous message unit in a conversation in the message pane | option + up Arrow | alt + Up Arrow |
| Switch tabs | ⌘ + 1-9 | ctrl + 1-9 |
| Move to next tab | control + tab | ctrl + Tab |
| Move to previous tab | shift + control + tab | ctrl + shift + Tab |
| Advanced Search | ⌘ + shift + K | ctrl + shift + K |
| View Messages | ⌘ + option + M | ctrl +alt + M |
| View Attachments | ⌘ + option + A | ctrl + alt + A |
| View Images | ⌘ + option + I | ctrl + alt + I |
| Address Book window | ⌘ + shift + B | ctrl + shift + B |
| Folder pane toggle | ⌘ + shift + M | ctrl + shift + L |
| Focus pane toggle | ⌘ + shift + P | ctrl + shift + P |
| Favorites Bar toggle | ⌘ + option + shift + H | ctrl + alt + shift + H |
| Find in This Message | ⌘ + F | ctrl + F |
| Find Again in message | ⌘ + G, or F3 | ctrl + G, or F3 |
| Find previous in message | ⌘ + shift + G or shift + F3 | ctrl + shift + G, or shift + F3 |
| Close Tab | ⌘ + W | ctrl + W |
| Close Window | ⌘ + shift + W | ctrl + shift + W |
| Open Preferences/options | ⌘ + , | |
| Quit/Exit | ⌘ + Q | |
| Minimize | ⌘ + M (not available in full-screen mode) | ctrl + M (no longer available in Windows 10) |
| Hide | ⌘ + H | ctrl + H (no longer available in Windows 10) |
| Zoom Larger | ⌘ + + | ctrl + + |
| Zoom Smaller | ⌘ + - | ctrl + - |
| Reset Zoom | ⌘ + 0 (zero) | ctrl + 0 (zero) |
| Messages | macOS | Windows |
| New Message (default format) | ⌘ + N | ctrl + N |
| New Reminder | ⌘ + shift + N | ctrl + shift + N |
| Open Message | ⌘ + O | ctrl + O |
| Archive | A | A |
| Quick Folder Switch | G | G |
| Quick Move | V | V |
| Quick Reply | shift + R | shift + R |
| Send an Existing Quick Reply | ⌘ + enter | ctrl + enter |
| Send and Archive Quick Reply | ⌘ + shift + option + enter | ctrl + shift + alt + enter |
| Cancel an Existing Quick Reply | esc | esc |
| Quick Search (macOS) | / | / |
| Move to the Search Bar (Not available in Quick Reply) | ⌘ + K | ctrl + K |
| Assign a Topic | T | T |
| Assign a Label | L | L |
| Add/Remove a Favorite Topic | 1 to 9 | 1 to 9 |
| Remove All Topics from a Message | 0 | 0 |
| Mark/unmark as Reminder | S | S |
| Mark Message as Read/Unread | M | M |
| Mark Message as Pending/Not Pending | shift + M | shift + M |
| Mark All Read | shift + C | shift + C |
| Mark Thread as Read | R | R |
| Mark as Junk toggle | J | J |
| Move to previous folder again | ⌘ + option + M | ctrl + shift + M |
| ⌘ + P | ctrl + P | |
| Copy | ⌘ + C | ctrl + C |
| Delete | delete | del |
| Delete immediately (skip Trash folder) | shift + delete | shift + Del |
| Select All | ⌘ + A | ctrl + A |
| Select Thread | ⌘ + shift + A | ctrl + shift + A |
| Undo | ⌘ + Z | ctrl + Z |
| Redo | ⌘ + Y | ctrl + Y |
| Forward Message | ⌘ + L | ctrl + L |
| Reply to Message | ⌘ + R | ctrl + R |
| Reply to All in Message | ⌘ + shift + R | ctrl + shift + R |
| Reply to List | ⌘ + shift + T | ctrl + shift + T |
| Save Message As File | ⌘ + S | ctrl + S |
| Get New Mail For All Accounts | ⌘ + shift + Y | shift + F5 |
| Get New Mail For Account | ⌘ + Y | F5 |
| View Message Source | ⌘ + U | ctrl + U |
| Message Composition | macOS | Windows |
| Add an Attachment | ⌘ + shift + A | ctrl + shift + A |
| Cc Field | ⌘ + option + C | ctrl + alt + C |
| Bcc Field | ⌘ + option + B | ctrl + alt + B |
| Reply-To Field | ⌘ + option + R | ctrl + alt + R |
| Toggle Summary mode | ⌘ + O | ctrl + O |
| Toggle recipients between Reply and Reply All | ⌘ + shift + R | ctrl + shift + R |
| Create a new message | ⌘ + N | ctrl + N |
| Send Now | ⌘ + shift + D | ctrl + return |
| Send Later (message is placed in the local Outbox folder) | ⌘ + shift + return | ctrl + shift + return |
| Send and Archive | ⌘ + shift + option + enter | ctrl + shift + alt + enter |
| Save As Draft | ⌘ + S | ctrl + S |
| Close Window | ⌘ + W | ctrl + W |
| ⌘ + P | ctrl + P | |
| Quick Bar | ⌘ + L | ctrl + L |
| Insert a Link | ⌘ + shift + L | ctrl + shift + L |
| Zoom Larger | ⌘ + + | ctrl + * |
| Zoom Smaller | ⌘ + - | ctrl + - |
| Message Composition - Text Editing | macOS | Windows |
| Undo | ⌘ + Z | ctrl + Z |
| Redo | ⌘ + shift + Z | ctrl + shift + Z |
| Cut | ⌘ + X | ctrl + X |
| Copy | ⌘ + C | ctrl + C |
| Paste | ⌘ + V | ctrl + V |
| Paste without Formatting | ⌘ + shift + V | ctrl + shift + V |
| Rewrap | ⌘ + R | ctrl + R |
| Select All | ⌘ + A | ctrl + A |
| Find and Replace | ⌘ + F | ctrl + F |
| Find Again | ⌘ + G | ctrl + G |
| Find Previous | ⌘ + shift + G | ctrl + shift + G |
| Message Composition - Text Formatting | macOS | Windows |
| Bold | ⌘ + B | ctrl + B |
| Italics | ⌘ + I | ctrl + I |
| Underline | ⌘ + U | ctrl + U |
| Fixed Width (toggle) | ⌘ + T | ctrl + T |
| Discontinue Text Styles | ⌘ + shift + Y | ctrl + shift + Y |
| Discontinue Link | ⌘ + shift + K | ctrl + shift + K |
| Increase Indent | ⌘ + ] | ctrl + ] |
| Decrease Indent | ⌘ + [ | ctrl + [ |
| Make Text Larger | ⌘ + > | ctrl + > |
| Make Text Smaller | ⌘ + < | ctrl + < |