Zimbra has many built-in keyboard shortcuts designed to help you accomplish tasks quickly.
You can find a full list of shortcuts in Preferences > Shortcuts

Additionally in this section, you can define your own keyboard shortcuts!

Here is a brief list of just a few of the keyboard shortcuts.
General Shortcuts
|
| Navigation |
| G + A |
Go To Address Books |
| G + C |
Go To Calendar |
| G + M |
Go To Mail |
|
| Create New |
| N + A |
New Calendar Appointment |
| N + F |
New Folder |
| N + M |
New Email Message |
|
Mail Compose
|
| Common Tasks |
| ALT + A |
Add Attachment |
| ALT + D |
Save As Draft |
| ALT + L |
Spell Check |
| ALT + S |
Send |
| ALT + W |
New Window |
|
|
Mail Shortcuts
|
| Navigation |
| left arrow |
Previous Page |
| right arrow |
Next Page |
| I |
Go To Inbox Folder |
| T |
Go To Trash Folder |
| S |
Go To Sent Folder |
| D |
Go To Drafts Folder |
|
| Common Tasks |
| R |
Reply |
| A |
Replay All |
| F |
Forward |
| F + A |
Forward As Attachment |
|
| Move An Email |
| . + I |
Move Selected To Inbox Folder |
| . + J |
Move Selected To Junk Folder |
| . + T |
Move Selected To Trash Folder |
|
| Mark An Email |
| ! |
Mark As Spam |
| M + F |
Toggle Flag |
| M + R |
Mark As Read |
| M + U |
Mark As Unread |
|
Calendar
|
| View |
| D |
Day |
| W |
Week |
| WW |
Work Week |
| M |
Month |
|
| Common Tasks |
| E |
Edit |
| Q |
Quick Add |
| R |
Refresh |
| T |
Jump To Today |
|